#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	21673	29.7727125917	14.2791742625	0.909433914858	0.881860906107	26.0	0.962962962963	0.962962962963
2	21673	30.6557006414	15.5247569886	0.936405568055	0.908014809254	26.0	0.962962962963	0.962962962963
3	15036	32.1936685289	17.8174211739	0.983384161374	0.953569064704	27.0	1.0	1.0
4	9738	34.2763401109	20.3146570612	1.0470012122	1.01525731843	27.0	1.0	1.0
5	5904	35.7862466125	21.8425872651	1.0931226456	1.05998040208	27.0	1.0	1.0
6	3570	37.0974789916	22.9035737631	1.1331754017	1.09881880386	27.0	1.0	1.0
7	2139	39.6891070594	25.1559349685	1.21233897983	1.17558223176	27.0	1.0	1.0
8	1329	42.6200150489	27.2725991309	1.30186616412	1.26239505297	28.0	1.03703703704	1.03703703704
9	891	44.3344556678	27.9745822625	1.35423527355	1.31317639018	28.0	1.03703703704	1.03703703704
10	602	45.8089700997	28.7251562907	1.39927562479	1.35685116885	28.5	1.05555555556	1.05555555556
11	432	44.2060185185	28.1159415187	1.3503120469	1.30937211133	27.0	1.0	1.0
12	306	47.1568627451	28.8642569404	1.44044820124	1.3967754393	29.0	1.07407407407	1.07407407407
13	237	44.9240506329	28.0166190065	1.37224497474	1.33064005757	28.0	1.03703703704	1.03703703704
14	184	45.3532608696	28.3263241798	1.38535558213	1.34335316616	29.0	1.07407407407	1.07407407407
15	144	46.0694444444	29.3214115873	1.40723204469	1.36456635909	28.0	1.03703703704	1.03703703704
16	122	46.9918032787	28.6566720128	1.43540631343	1.39188641583	28.5	1.05555555556	1.05555555556
17	92	37.75	23.5434958248	1.15310723469	1.1181463262	27.0	1.0	1.0
18	79	41.7088607595	27.5245123889	1.27403414815	1.23540687227	27.0	1.0	1.0
19	62	44.0322580645	26.918615541	1.34500437971	1.3042253666	28.0	1.03703703704	1.03703703704
20	52	41.9230769231	26.5379598615	1.28057757087	1.24175190582	28.0	1.03703703704	1.03703703704
21	45	43.6	27.1501176588	1.33180067371	1.29142198205	28.0	1.03703703704	1.03703703704
22	35	39.2857142857	26.111378394	1.20001698974	1.16363383049	28.0	1.03703703704	1.03703703704
23	30	43.5333333333	27.6944438872	1.32976428124	1.2894473307	28.0	1.03703703704	1.03703703704
24	25	47.72	25.9283937027	1.4576497282	1.4134554354	30.0	1.11111111111	1.11111111111
25	13	49.2307692308	28.5768971943	1.50379751442	1.45820407289	29.0	1.07407407407	1.07407407407
26	9	44.6666666667	28.3862251414	1.36438295319	1.32301640363	27.0	1.0	1.0
27	6	49.0	32.2386931083	1.49674846357	1.4513687413	28.5	1.05555555556	1.05555555556
28	3	50.6666666667	35.6495285928	1.54765827526	1.50073502502	28.0	1.03703703704	1.03703703704
29	3	50.6666666667	33.5592345297	1.54765827526	1.50073502502	30.0	1.11111111111	1.11111111111
30	3	41.3333333333	21.076579946	1.26256332982	1.2242838362	29.0	1.07407407407	1.07407407407
31	2	25.0	1.0	0.763647175292	0.740494255764	25.0	0.925925925926	0.925925925926
32	1	64.0	0.0	1.95493676875	1.89566529476	64.0	2.37037037037	2.37037037037
33	1	95.0	0.0	2.90185926611	2.8138781719	95.0	3.51851851852	3.51851851852
34	1	95.0	0.0	2.90185926611	2.8138781719	95.0	3.51851851852	3.51851851852
35	1	29.0	0.0	0.885830723339	0.858973336686	29.0	1.07407407407	1.07407407407
36	1	53.0	0.0	1.61893201162	1.56984782222	53.0	1.96296296296	1.96296296296
37	1	58.0	0.0	1.77166144668	1.71794667337	58.0	2.14814814815	2.14814814815
38	1	73.0	0.0	2.22984975185	2.16224322683	73.0	2.7037037037	2.7037037037
39	1	83.0	0.0	2.53530862197	2.45844092914	83.0	3.07407407407	3.07407407407
40	1	28.0	0.0	0.855284836327	0.829353566456	28.0	1.03703703704	1.03703703704
41	1	29.0	0.0	0.885830723339	0.858973336686	29.0	1.07407407407	1.07407407407
42	1	24.0	0.0	0.73310128828	0.710874485534	24.0	0.888888888889	0.888888888889