#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	6634	140.977238468	146.539652299	1.12024266455	1.14903030861	93.0	1.17721518987	1.22368421053
2	6634	138.791377751	174.62119097	1.10287323342	1.13121452329	94.0	1.18987341772	1.23684210526
3	5580	128.346953405	136.236831463	1.01987905729	1.0460875889	87.0	1.10126582278	1.14473684211
4	4530	121.093818985	106.521542896	0.962243720428	0.986971157256	77.0	0.974683544304	1.01315789474
5	3462	119.156268053	119.646106388	0.946847424958	0.971179212622	73.0	0.924050632911	0.960526315789
6	2688	116.267857143	112.533888981	0.923895342979	0.947637315251	71.0	0.898734177215	0.934210526316
7	2083	111.967354777	98.8779580622	0.889722406398	0.912586213282	61.0	0.772151898734	0.802631578947
8	1603	106.495321273	84.9300718371	0.846240171537	0.86798658561	58.0	0.73417721519	0.763157894737
9	1239	118.780468119	127.571354916	0.943861218648	0.96811626772	64.0	0.810126582278	0.842105263158
10	951	116.156677182	103.129738996	0.923011877414	0.946731146665	69.0	0.873417721519	0.907894736842
11	712	117.875	118.156294529	0.936666127938	0.96073627983	60.5	0.76582278481	0.796052631579
12	533	111.521575985	102.644736067	0.886180129454	0.908952908018	59.0	0.746835443038	0.776315789474
13	402	111.218905473	102.791155904	0.883775028993	0.906486002041	52.0	0.658227848101	0.684210526316
14	300	99.2866666667	81.2942668472	0.788958283118	0.809232685218	51.0	0.645569620253	0.671052631579
15	225	92.1377777778	68.3021629359	0.732151308996	0.750965903321	50.0	0.632911392405	0.657894736842
16	178	107.02247191	87.4811668372	0.850429050828	0.872283109405	53.0	0.670886075949	0.697368421053
17	137	101.583941606	89.5006130824	0.807213041312	0.827956548453	52.0	0.658227848101	0.684210526316
18	111	108.162162162	93.9883585412	0.859485332953	0.881572117023	63.0	0.79746835443	0.828947368421
19	87	96.9770114943	75.4869216063	0.770605148295	0.790407917302	53.0	0.670886075949	0.697368421053
20	65	96.8461538462	87.8707496216	0.76956531859	0.78934136638	50.0	0.632911392405	0.657894736842
21	56	102.517857143	83.9315178054	0.814634182774	0.835568396077	51.0	0.645569620253	0.671052631579
22	48	80.4583333333	62.0718529654	0.639343334411	0.655772978562	48.0	0.607594936709	0.631578947368
23	40	101.325	89.3085627194	0.805155422382	0.825846053478	50.5	0.639240506329	0.664473684211
24	36	91.5555555556	79.6127587641	0.727524816233	0.7462205204	47.0	0.594936708861	0.618421052632
25	25	82.96	85.1776872191	0.65922224368	0.676162729796	47.0	0.594936708861	0.618421052632
26	21	63.4285714286	57.0793694934	0.504020313049	0.51697246871	46.0	0.582278481013	0.605263157895
27	19	501.315789474	1704.86980681	3.98358871177	4.085957723	57.0	0.721518987342	0.75
28	16	77.3125	48.7874455547	0.614345705334	0.630132968266	52.5	0.664556962025	0.690789473684
29	15	85.0	62.73329791	0.675432626721	0.692789682168	51.0	0.645569620253	0.671052631579
30	11	93.5454545455	127.316615809	0.743337083311	0.762439126151	50.0	0.632911392405	0.657894736842
31	6	93.8333333333	87.6459100903	0.745624644792	0.764785472668	47.5	0.601265822785	0.625
32	6	83.0	88.5870569929	0.659540094327	0.67648874847	44.5	0.563291139241	0.585526315789
33	6	82.0	75.6328852638	0.651593828131	0.668338281621	49.0	0.620253164557	0.644736842105
34	5	85.4	52.198084256	0.6786111332	0.696049868908	47.0	0.594936708861	0.618421052632
35	4	92.25	84.1616747695	0.733043056647	0.751880566823	44.5	0.563291139241	0.585526315789
36	3	49.0	2.94392028878	0.389367043639	0.399372875603	48.0	0.607594936709	0.631578947368
37	1	43.0	0.0	0.341689446459	0.350470074508	43.0	0.544303797468	0.565789473684
38	1	45.0	0.0	0.357581978852	0.366771008207	45.0	0.569620253165	0.592105263158