#Intron_position	number	Mean_intron_length	stdev	Ratio_to_mean_intron_length	Ratio_to_mean_non-first_intron_length	Median_intron_length	Ratio_to_median_intron_length	Ratio_to_median_non-first_intron_length
1	20001	587.508324584	795.130261427	1.4709978287	1.62189666707	289.0	1.74096385542	1.87662337662
2	20001	477.797360132	686.636570317	1.19630454566	1.3190246223	211.0	1.27108433735	1.37012987013
3	15177	395.830401265	566.746632311	0.991076443399	1.09274367983	172.0	1.03614457831	1.11688311688
4	12082	359.855321967	542.214635607	0.901002377516	0.993429578617	154.0	0.927710843373	1.0
5	9833	332.589647107	490.003421124	0.832734836719	0.918158973368	149.0	0.897590361446	0.967532467532
6	8001	327.532808399	495.779973609	0.820073571426	0.904198882076	141.0	0.849397590361	0.915584415584
7	6545	312.212070283	439.075064651	0.781713651132	0.861903899948	144.0	0.867469879518	0.935064935065
8	5311	308.927320655	406.524827425	0.773489325846	0.852835901675	140.0	0.843373493976	0.909090909091
9	4370	300.492448513	403.558045031	0.752370172145	0.829550289467	134.0	0.807228915663	0.87012987013
10	3550	297.195492958	452.470895283	0.744115285772	0.82044859507	137.0	0.825301204819	0.88961038961
11	2901	295.486384006	400.340264062	0.73983603482	0.815730367264	138.0	0.831325301205	0.896103896104
12	2315	304.673434125	422.723090036	0.762838484679	0.84109246912	137.0	0.825301204819	0.88961038961
13	1871	276.928915019	377.776049723	0.693372018152	0.764499949176	128.0	0.771084337349	0.831168831169
14	1509	315.324055666	423.035673756	0.789505410926	0.870494959019	132.0	0.795180722892	0.857142857143
15	1241	285.365028203	355.729398602	0.714494279161	0.787788987448	131.0	0.789156626506	0.850649350649
16	1057	304.498580889	440.527490047	0.762400688788	0.840609762972	132.0	0.795180722892	0.857142857143
17	881	309.993189557	383.101942967	0.776158038398	0.855778377803	134.0	0.807228915663	0.87012987013
18	732	277.040983607	339.864780992	0.69365261443	0.76480932976	121.5	0.731927710843	0.788961038961
19	598	262.913043478	309.251852311	0.658279210543	0.725807228773	127.5	0.768072289157	0.827922077922
20	501	285.171656687	335.340602724	0.714010117373	0.787255159067	135.0	0.813253012048	0.876623376623
21	413	294.542372881	309.568060041	0.737472428627	0.813124296113	137.0	0.825301204819	0.88961038961
22	322	323.111801242	422.270548431	0.809004295203	0.891994090292	126.5	0.762048192771	0.821428571429
23	263	304.714828897	572.655012013	0.762942128521	0.841206745021	130.0	0.78313253012	0.844155844156
24	213	313.615023474	673.689025765	0.785226352165	0.865776943121	121.0	0.728915662651	0.785714285714
25	187	275.229946524	394.38551074	0.689118156782	0.759809715482	117.0	0.704819277108	0.75974025974
26	165	291.824242424	364.517845953	0.730666799101	0.805620527154	133.0	0.801204819277	0.863636363636
27	142	279.570422535	295.212489666	0.699985799878	0.771792190081	142.0	0.855421686747	0.922077922078
28	128	297.6796875	346.33999132	0.745327607523	0.821785279984	137.5	0.828313253012	0.892857142857
29	115	265.2	516.302240435	0.664005270816	0.732120683417	111.0	0.668674698795	0.720779220779
30	96	301.854166667	408.194984535	0.755779629278	0.833309497708	112.0	0.674698795181	0.727272727273
31	85	268.564705882	309.21195651	0.672429789823	0.741409411811	119.0	0.71686746988	0.772727272727
32	78	322.346153846	395.785386902	0.807087274439	0.88988041648	163.5	0.984939759036	1.06168831169
33	66	281.515151515	295.147587243	0.704854994045	0.777160879033	116.0	0.698795180723	0.753246753247
34	56	229.142857143	252.104033838	0.573725734965	0.632580034583	106.5	0.64156626506	0.691558441558
35	51	351.509803922	422.315065573	0.880106947766	0.970390640553	121.0	0.728915662651	0.785714285714
36	45	277.555555556	330.66126041	0.694940994846	0.766229875639	100.0	0.602409638554	0.649350649351
37	37	295.351351351	300.071272274	0.739497941328	0.81535759125	139.0	0.83734939759	0.902597402597
38	33	253.151515152	396.109498269	0.633838387541	0.698859201662	96.0	0.578313253012	0.623376623377
39	31	277.35483871	277.294015196	0.694438441892	0.765675769476	116.0	0.698795180723	0.753246753247
40	28	314.678571429	362.390185689	0.78788925355	0.868713011957	161.5	0.972891566265	1.0487012987
41	23	343.913043478	367.443448834	0.861086250272	0.949418749726	138.0	0.831325301205	0.896103896104
42	20	409.85	429.456432598	1.02617858312	1.13144668966	171.5	1.03313253012	1.11363636364
43	18	238.166666667	266.466852222	0.596319464553	0.657491488564	108.0	0.650602409639	0.701298701299
44	17	209.882352941	215.610182656	0.525501465325	0.579408792128	132.0	0.795180722892	0.857142857143
45	17	303.529411765	450.847713646	0.759974092231	0.837934239737	99.0	0.596385542169	0.642857142857
46	17	268.294117647	294.316509242	0.67175229354	0.740662416171	96.0	0.578313253012	0.623376623377
47	15	184.8	141.551969255	0.462700505456	0.5101655441	98.0	0.590361445783	0.636363636364
48	14	222.071428571	193.313758392	0.556020358481	0.613058393865	101.5	0.611445783133	0.659090909091
49	10	285.7	214.296080225	0.715332978402	0.78871372267	212.5	1.28012048193	1.37987012987
50	9	101.222222222	23.193762465	0.253439249922	0.279437716856	84.0	0.506024096386	0.545454545455
51	7	284.285714286	325.604367418	0.711791903105	0.784809394527	95.0	0.572289156627	0.616883116883
52	5	99.6	25.0487524639	0.249377545148	0.27495935169	97.0	0.584337349398	0.62987012987
53	5	257.0	272.549445055	0.643474187782	0.709483467715	123.0	0.740963855422	0.798701298701
54	5	346.0	320.526441967	0.866311552423	0.955180077158	89.0	0.536144578313	0.577922077922
55	5	314.8	350.081933267	0.788193285268	0.86904823205	142.0	0.855421686747	0.922077922078
56	5	372.6	267.851899377	0.932912382753	1.02861299638	321.0	1.93373493976	2.08441558442
57	3	82.0	7.48331477355	0.205310830343	0.226372157014	80.0	0.481927710843	0.519480519481
58	3	98.6666666667	10.6562449088	0.247040673909	0.272382758033	103.0	0.620481927711	0.668831168831
59	3	256.666666667	203.902482138	0.642639590911	0.708563255695	116.0	0.698795180723	0.753246753247
60	3	205.0	135.963230323	0.513277075857	0.565930392536	118.0	0.710843373494	0.766233766234
61	3	190.0	124.233650836	0.475720216648	0.524520851618	116.0	0.698795180723	0.753246753247
62	2	84.5	3.5	0.211570306878	0.233273747167	84.5	0.509036144578	0.548701298701
63	2	243.0	150.0	0.608421119187	0.670834562859	243.0	1.46385542169	1.57792207792
64	2	104.0	14.0	0.26039422385	0.287106150359	104.0	0.626506024096	0.675324675325
65	1	684.0	0.0	1.71259277993	1.88827506583	684.0	4.12048192771	4.44155844156
66	1	152.0	0.0	0.380576173319	0.419616681295	152.0	0.915662650602	0.987012987013
67	1	68.0	0.0	0.170257761748	0.187723252158	68.0	0.409638554217	0.441558441558
68	1	102.0	0.0	0.255386642622	0.281584878237	102.0	0.614457831325	0.662337662338
69	1	98.0	0.0	0.245371480166	0.270542333993	98.0	0.590361445783	0.636363636364
70	1	102.0	0.0	0.255386642622	0.281584878237	102.0	0.614457831325	0.662337662338
71	1	199.0	0.0	0.498254332174	0.549366576169	199.0	1.19879518072	1.29220779221
72	1	84.0	0.0	0.210318411571	0.231893429137	84.0	0.506024096386	0.545454545455
73	1	699.0	0.0	1.75014963914	1.92968460674	699.0	4.21084337349	4.53896103896
74	1	118.0	0.0	0.295447292445	0.325755055216	118.0	0.710843373494	0.766233766234