#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	4863	124.500514086	184.665404135	1.07053377176	1.1030609581	69.0	1.078125	1.09523809524
2	4863	113.886489821	245.886536104	0.97926771143	1.00902186227	63.0	0.984375	1.0
3	2819	103.508691025	141.871558228	0.890032866344	0.917075698295	62.0	0.96875	0.984126984127
4	1588	103.853904282	130.372055528	0.893001227179	0.920134250051	62.0	0.96875	0.984126984127
5	855	106.421052632	119.18697494	0.915075184266	0.942878904069	62.0	0.96875	0.984126984127
6	489	102.862985685	111.216197457	0.884480685469	0.911354819499	62.0	0.96875	0.984126984127
7	294	108.721088435	117.426965712	0.934852339584	0.963256970103	61.0	0.953125	0.968253968254
8	185	110.432432432	129.875603797	0.949567552267	0.978419291021	61.0	0.953125	0.968253968254
9	116	133.939655172	169.67973325	1.15169744714	1.18669071727	62.0	0.96875	0.984126984127
10	85	115.282352941	131.929982479	0.991270220992	1.02138905707	61.0	0.953125	0.968253968254
11	63	153.079365079	204.613014651	1.31627271807	1.3562664568	67.0	1.046875	1.06349206349
12	44	146.681818182	160.899004563	1.26126258369	1.29958488996	64.0	1.0	1.01587301587
13	34	172.088235294	185.624758688	1.47972294699	1.52468297094	69.0	1.078125	1.09523809524
14	28	175.0	164.684763802	1.50476013239	1.55048088824	62.5	0.9765625	0.992063492063
15	24	168.916666667	178.657940552	1.45245180397	1.49658321927	82.0	1.28125	1.30158730159
16	17	245.764705882	192.596356148	2.11323960777	2.17744845415	150.0	2.34375	2.38095238095
17	16	179.375	197.226353145	1.5423791357	1.58924291045	73.0	1.140625	1.15873015873
18	10	251.2	183.055619963	2.15997568717	2.22560456644	243.5	3.8046875	3.86507936508
19	7	280.714285714	203.917150043	2.41375808991	2.48709791461	392.0	6.125	6.22222222222
20	7	340.857142857	255.288871993	2.9309042252	3.01995706069	532.0	8.3125	8.44444444444
21	5	405.2	193.259825106	3.48416460367	3.59002774809	481.0	7.515625	7.63492063492
22	4	463.5	89.5725962558	3.98546469349	4.10655938115	445.0	6.953125	7.06349206349
23	3	544.333333333	41.4112169453	4.68052056416	4.82273388667	569.0	8.890625	9.03174603175
24	3	568.0	30.7354301526	4.88402145826	5.0324179687	584.0	9.125	9.26984126984
25	3	446.0	138.050715319	3.83498868025	3.95151129232	517.0	8.078125	8.20634920635
26	3	540.0	72.1987996207	4.64325983708	4.78434102658	587.0	9.171875	9.31746031746
27	3	459.0	58.5320425066	3.94677086152	4.06668987259	444.0	6.9375	7.04761904762
28	3	322.333333333	207.565786091	2.77162485337	2.8558381313	351.0	5.484375	5.57142857143
29	3	508.666666667	28.4292494136	4.37383611814	4.50673111516	500.0	7.8125	7.93650793651
30	3	521.333333333	52.5378170675	4.48275208962	4.6189563985	539.0	8.421875	8.55555555556
31	3	443.333333333	149.5244313	3.81205900204	3.92788491688	511.0	7.984375	8.11111111111
32	3	384.0	121.350731353	3.30187366192	3.40219806335	419.0	6.546875	6.65079365079
33	3	259.0	238.20579338	2.22704499593	2.2947117146	112.0	1.75	1.77777777778
34	3	243.666666667	243.557431055	2.09519934624	2.15886005582	79.0	1.234375	1.25396825397
35	2	262.0	234.0	2.25284088392	2.32129138697	262.0	4.09375	4.15873015873
36	2	290.5	175.5	2.49790181976	2.57379827448	290.5	4.5390625	4.61111111111
37	2	212.0	133.0	1.82290941752	1.87829684747	212.0	3.3125	3.36507936508
38	2	253.5	191.5	2.17975253463	2.24598231526	253.5	3.9609375	4.02380952381
39	1	586.0	0.0	5.03879678616	5.19189600292	586.0	9.15625	9.30158730159
40	1	487.0	0.0	4.1875324827	4.31476681471	487.0	7.609375	7.73015873016
41	1	284.0	0.0	2.44201072913	2.51620898435	284.0	4.4375	4.50793650794
42	1	537.0	0.0	4.61746394909	4.75776135421	537.0	8.390625	8.52380952381
43	1	385.0	0.0	3.31047229125	3.41105795414	385.0	6.015625	6.11111111111
44	1	592.0	0.0	5.09038856213	5.24505534766	592.0	9.25	9.39682539683
45	1	489.0	0.0	4.20472974135	4.33248659629	489.0	7.640625	7.7619047619
46	1	529.0	0.0	4.54867491447	4.68688222789	529.0	8.265625	8.39682539683
47	1	573.0	0.0	4.9270146049	5.07671742265	573.0	8.953125	9.09523809524
48	1	543.0	0.0	4.66905572506	4.81092069895	543.0	8.484375	8.61904761905
49	1	510.0	0.0	4.38530095724	4.51854430288	510.0	7.96875	8.09523809524
50	1	485.0	0.0	4.17033522404	4.29704703313	485.0	7.578125	7.69841269841
51	1	585.0	0.0	5.03019815683	5.18303611213	585.0	9.140625	9.28571428571
52	1	521.0	0.0	4.47988587985	4.61600310157	521.0	8.140625	8.26984126984
53	1	501.0	0.0	4.30791329329	4.43880528577	501.0	7.828125	7.95238095238
54	1	566.0	0.0	4.8668241996	5.01469818712	566.0	8.84375	8.98412698413
55	1	585.0	0.0	5.03019815683	5.18303611213	585.0	9.140625	9.28571428571
56	1	528.0	0.0	4.54007628514	4.6780223371	528.0	8.25	8.38095238095
57	1	506.0	0.0	4.35090643993	4.48310473972	506.0	7.90625	8.03174603175
58	1	511.0	0.0	4.39389958657	4.52740419367	511.0	7.984375	8.11111111111
59	1	118.0	0.0	1.01463826069	1.04546711322	118.0	1.84375	1.87301587302
60	1	596.0	0.0	5.12478307944	5.28049491082	596.0	9.3125	9.46031746032
61	1	582.0	0.0	5.00440226885	5.15645643976	582.0	9.09375	9.2380952381
62	1	564.0	0.0	4.84962694095	4.99697840554	564.0	8.8125	8.95238095238
63	1	378.0	0.0	3.25028188595	3.34903871861	378.0	5.90625	6.0
64	1	534.0	0.0	4.59166806111	4.73118168184	534.0	8.34375	8.47619047619
65	1	424.0	0.0	3.64581883504	3.75659369494	424.0	6.625	6.73015873016
66	1	417.0	0.0	3.58562842974	3.69457445941	417.0	6.515625	6.61904761905
67	1	578.0	0.0	4.97000775154	5.1210168766	578.0	9.03125	9.1746031746
68	1	54.0	0.0	0.464325983708	0.478434102658	54.0	0.84375	0.857142857143
69	1	578.0	0.0	4.97000775154	5.1210168766	578.0	9.03125	9.1746031746
70	1	513.0	0.0	4.41109684522	4.54512397525	513.0	8.015625	8.14285714286
71	1	81.0	0.0	0.696488975562	0.717651153987	81.0	1.265625	1.28571428571
72	1	558.0	0.0	4.79803516498	4.9438190608	558.0	8.71875	8.85714285714
73	1	595.0	0.0	5.11618445011	5.27163502003	595.0	9.296875	9.44444444444