#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	4608	356.952039931	248.852182042	1.06354923662	1.07723358374	283.0	1.08429118774	1.10116731518
2	4608	341.167751736	243.626679687	1.01651947973	1.02959871004	267.0	1.02298850575	1.03891050584
3	3693	335.776604387	239.498442825	1.0004563956	1.01332894735	264.0	1.01149425287	1.02723735409
4	2964	338.21120108	247.998997231	1.00771034897	1.02067623502	265.0	1.0153256705	1.03112840467
5	2376	335.923821549	251.668313269	1.00089503352	1.01377322909	262.0	1.00383141762	1.01945525292
6	1917	337.925404278	241.547666274	1.00685880889	1.01981373844	257.0	0.984674329502	1.0
7	1542	334.918936446	245.576461062	0.997900948419	1.01074062006	257.5	0.986590038314	1.00194552529
8	1215	328.3218107	246.102693898	0.978244615728	0.990831375632	254.0	0.973180076628	0.988326848249
9	946	328.795983087	255.797512631	0.979657426481	0.992262364568	252.0	0.965517241379	0.980544747082
10	728	320.914835165	250.135668462	0.956175311467	0.968478112708	250.0	0.95785440613	0.972762645914
11	568	324.679577465	235.226807253	0.967392473302	0.979839602168	254.5	0.975095785441	0.990272373541
12	456	305.682017544	215.146435712	0.910788677578	0.922507503548	239.0	0.915708812261	0.929961089494
13	372	306.36827957	228.259982797	0.912833415729	0.924578550689	235.5	0.902298850575	0.916342412451
14	301	307.588039867	233.321509155	0.916467727871	0.928259624361	228.0	0.873563218391	0.887159533074
15	234	302.427350427	229.865431322	0.901091299948	0.912685352868	232.0	0.888888888889	0.902723735409
16	186	306.327956989	244.646650993	0.912713273398	0.924456862526	244.0	0.934865900383	0.949416342412
17	152	291.973684211	209.150756109	0.869944290038	0.881137584366	231.5	0.886973180077	0.900778210117
18	123	310.495934959	222.393534371	0.925131887925	0.937035263385	240.0	0.919540229885	0.933852140078
19	103	266.145631068	183.248009977	0.792988836279	0.803191969451	204.0	0.781609195402	0.793774319066
20	82	270.573170732	192.200164367	0.806180822604	0.816553692836	218.0	0.835249042146	0.848249027237
21	69	257.942028986	224.818695652	0.768545959488	0.778434593999	201.0	0.770114942529	0.782101167315
22	61	271.475409836	211.767782388	0.808869070894	0.819276529954	196.0	0.750957854406	0.762645914397
23	53	259.283018868	155.537094691	0.772541478791	0.782481522368	201.0	0.770114942529	0.782101167315
24	42	308.404761905	281.6561615	0.918901175512	0.930724382393	240.0	0.919540229885	0.933852140078
25	35	245.028571429	172.256036297	0.730069928004	0.739463503751	201.0	0.770114942529	0.782101167315
26	33	281.666666667	199.618069666	0.839234224219	0.850032381974	197.0	0.754789272031	0.766536964981
27	29	262.310344828	119.216437032	0.781561486672	0.7916175878	259.0	0.992337164751	1.00778210117
28	26	265.346153846	227.375315335	0.79060677008	0.80077925397	195.0	0.747126436782	0.758754863813
29	20	271.4	147.953844154	0.808644385041	0.81904895314	247.5	0.948275862069	0.963035019455
30	18	264.555555556	141.11272965	0.788251158921	0.798393333917	206.0	0.789272030651	0.801556420233
31	16	262.875	184.940150792	0.78324389358	0.793321641697	179.5	0.687739463602	0.698443579767
32	12	248.666666667	135.98856161	0.740909741145	0.750442789293	208.5	0.798850574713	0.811284046693
33	9	252.222222222	157.335295029	0.751503624843	0.761172981097	165.0	0.632183908046	0.642023346304
34	9	256.222222222	160.989839416	0.763421744004	0.773244446877	246.0	0.942528735632	0.95719844358
35	8	216.375	71.2266409077	0.644695758339	0.652990852011	209.5	0.802681992337	0.815175097276
36	6	164.0	51.2672735118	0.488642885581	0.49493009696	175.0	0.670498084291	0.68093385214
37	5	238.6	156.400255754	0.710915807924	0.720062933748	157.0	0.60153256705	0.610894941634
38	4	419.75	326.363581761	1.25065762941	1.26674944024	305.0	1.16858237548	1.18677042802
39	4	272.0	146.729342669	0.810432102915	0.820859673007	224.5	0.860153256705	0.873540856031
40	3	160.333333333	57.0516335339	0.477717943017	0.483864586662	152.0	0.582375478927	0.591439688716
41	3	212.0	134.494113874	0.631660315507	0.639787686314	136.0	0.521072796935	0.529182879377
42	2	242.0	75.0	0.721046209211	0.730323679661	242.0	0.927203065134	0.941634241245
43	2	213.0	95.0	0.634639845297	0.642805552759	213.0	0.816091954023	0.828793774319
44	2	125.0	22.0	0.372441223766	0.37723330561	125.0	0.478927203065	0.486381322957
45	2	282.5	120.5	0.841717165711	0.852547270678	282.5	1.08237547893	1.09922178988
46	2	256.0	87.0	0.762759626273	0.772573809889	256.0	0.980842911877	0.996108949416
47	2	224.0	78.0	0.667414672989	0.676002083653	224.0	0.858237547893	0.871595330739
48	2	214.0	84.0	0.637619375087	0.645823419204	214.0	0.819923371648	0.832684824903
49	2	140.0	40.0	0.417134170618	0.422501302283	140.0	0.536398467433	0.544747081712
50	1	153.0	0.0	0.455868057889	0.461733566066	153.0	0.586206896552	0.5953307393
51	1	124.0	0.0	0.369461693976	0.374215439165	124.0	0.475095785441	0.482490272374
52	1	93.0	0.0	0.277096270482	0.280661579374	93.0	0.35632183908	0.36186770428
53	1	515.0	0.0	1.53445784192	1.55420121911	515.0	1.97318007663	2.00389105058
54	1	212.0	0.0	0.631660315507	0.639787686314	212.0	0.812260536398	0.824902723735