#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	7602	89.2290186793	90.872916254	1.17121782976	1.22369041752	70.0	1.06060606061	1.07692307692
2	7602	76.865824783	55.0735572091	1.00893886112	1.05414106995	67.0	1.01515151515	1.03076923077
3	5925	74.1053164557	51.0865110266	0.972704499022	1.01628334567	65.0	0.984848484848	1.0
4	4448	71.712455036	45.7633330367	0.941295860886	0.98346754613	65.0	0.984848484848	1.0
5	3317	70.3056979198	37.5436637458	0.922830802759	0.96417522141	64.0	0.969696969697	0.984615384615
6	2403	69.5505617978	27.8327641045	0.912918905227	0.953819253697	65.0	0.984848484848	1.0
7	1731	69.4442518775	25.9830119401	0.911523483918	0.952361315096	65.0	0.984848484848	1.0
8	1296	70.5910493827	32.5459937628	0.926576318803	0.968088543062	65.0	0.984848484848	1.0
9	944	69.6069915254	25.6502138016	0.913659600397	0.954593133294	66.0	1.0	1.01538461538
10	660	70.9287878788	35.3616307434	0.931009465713	0.972720302633	65.0	0.984848484848	1.0
11	480	71.00625	25.4559661168	0.932026231546	0.973782621336	66.0	1.0	1.01538461538
12	349	73.1346704871	43.2939135755	0.959963824726	1.00297186709	66.0	1.0	1.01538461538
13	267	72.1985018727	30.8997702742	0.947675699303	0.99013321236	67.0	1.01515151515	1.03076923077
14	205	67.4926829268	13.8977518842	0.885907239506	0.925597418558	66.0	1.0	1.01538461538
15	156	68.25	14.3207868463	0.895847764147	0.935983295924	65.5	0.992424242424	1.00769230769
16	122	79.2213114754	65.2903367307	1.03985691953	1.08644431095	70.0	1.06060606061	1.07692307692
17	89	72.9550561798	23.5648329262	0.957606211896	1.00050862912	68.0	1.0303030303	1.04615384615
18	73	90.9589041096	93.8724635184	1.19392426192	1.24741413717	66.0	1.0	1.01538461538
19	60	68.8	15.2848508879	0.903067050159	0.943526018455	65.5	0.992424242424	1.00769230769
20	50	74.16	36.5356592934	0.973422273834	1.01703327803	68.0	1.0303030303	1.04615384615
21	35	67.9428571429	12.2892353758	0.891816214816	0.931771126199	66.0	1.0	1.01538461538
22	23	73.3913043478	14.0487942557	0.963332394254	1.00649135437	72.0	1.09090909091	1.10769230769
23	20	69.15	9.79936222414	0.907661141257	0.948325932793	68.0	1.0303030303	1.04615384615
24	16	70.9375	26.4042343905	0.931123820794	0.97283978102	63.5	0.962121212121	0.976923076923
25	13	73.6153846154	14.7102186437	0.966273666147	1.00956440034	70.0	1.06060606061	1.07692307692
26	11	68.0909090909	11.3574528631	0.893759540921	0.933801516679	72.0	1.09090909091	1.10769230769
27	11	81.2727272727	38.086244019	1.06678375111	1.11457751123	73.0	1.10606060606	1.12307692308
28	7	68.7142857143	8.20651806648	0.901941966625	0.94235052923	70.0	1.06060606061	1.07692307692
29	5	65.6	8.01498596381	0.861063931547	0.899641087364	66.0	1.0	1.01538461538
30	5	61.8	6.4	0.811185228195	0.847527731694	59.0	0.893939393939	0.907692307692
31	5	68.8	3.86781592116	0.903067050159	0.943526018455	69.0	1.04545454545	1.06153846154
32	4	74.75	4.32290411645	0.981166598828	1.0251245622	74.5	1.12878787879	1.14615384615
33	3	74.6666666667	16.4991582277	0.980072767614	1.02398172546	78.0	1.18181818182	1.2
34	3	76.6666666667	8.0553639824	1.00632471675	1.05140980739	72.0	1.09090909091	1.10769230769
35	2	59.0	6.0	0.77443249941	0.809128416989	59.0	0.893939393939	0.907692307692
36	2	60.0	10.0	0.787558473976	0.822842457955	60.0	0.909090909091	0.923076923077
37	2	62.0	9.0	0.813810423108	0.850270539887	62.0	0.939393939394	0.953846153846
38	2	65.0	5.0	0.853188346807	0.891412662785	65.0	0.984848484848	1.0
39	2	66.5	13.5	0.872877308656	0.911983724234	66.5	1.00757575758	1.02307692308
40	2	63.5	2.5	0.833499384958	0.870841601336	63.5	0.962121212121	0.976923076923
41	2	67.0	6.0	0.87944029594	0.918840744717	67.0	1.01515151515	1.03076923077
42	1	67.0	0.0	0.87944029594	0.918840744717	67.0	1.01515151515	1.03076923077
43	1	64.0	0.0	0.840062372241	0.877698621819	64.0	0.969696969697	0.984615384615