#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	5258	89.083491822	111.418319441	1.03592276117	1.0540382039	59.0	1.0350877193	1.05357142857
2	5258	86.010460251	154.879157807	1.00018748312	1.01767801403	57.0	1.0	1.01785714286
3	2770	80.5137184116	100.211181306	0.936267671854	0.952640420896	56.0	0.982456140351	1.0
4	1447	88.5141672426	155.769724119	1.02930227203	1.0473019406	56.0	0.982456140351	1.0
5	716	80.4790502793	112.858706133	0.935864527495	0.952230226649	55.0	0.964912280702	0.982142857143
6	369	88.8184281843	119.960029869	1.03284042291	1.05090196401	55.0	0.964912280702	0.982142857143
7	194	82.9639175258	122.78156674	0.964760235178	0.981631240864	54.5	0.956140350877	0.973214285714
8	103	75.2233009709	71.2187839353	0.874747139477	0.890044063445	56.0	0.982456140351	1.0
9	60	87.7333333333	101.033140877	1.02022221013	1.03806309337	58.0	1.01754385965	1.03571428571
10	34	82.5	119.363569671	0.959365490153	0.976142156572	58.5	1.02631578947	1.04464285714
11	20	76.4	87.4667936991	0.888430587245	0.903966797117	56.0	0.982456140351	1.0
12	8	54.875	7.06111712125	0.63812340936	0.649282434447	52.5	0.921052631579	0.9375
13	6	103.666666667	95.5015997539	1.20550572702	1.22658670987	56.5	0.991228070175	1.00892857143
14	3	127.666666667	99.2314914172	1.48459386961	1.51055533724	58.0	1.01754385965	1.03571428571
15	1	53.0	0.0	0.61631964822	0.627097385434	53.0	0.929824561404	0.946428571429
16	1	155.0	0.0	1.80244425423	1.83396405174	155.0	2.71929824561	2.76785714286