#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	5660	77.5618374558	67.143645599	1.16464623196	1.20648773825	59.0	1.05357142857	1.05357142857
2	5660	70.024204947	52.5995063795	1.05146331124	1.08923856655	57.0	1.01785714286	1.01785714286
3	4794	64.7816020025	37.4099456515	0.972741894046	1.00768897494	56.0	1.0	1.0
4	3883	63.6726757662	35.9371463602	0.956090576787	0.990439436372	56.0	1.0	1.0
5	3005	61.659234609	26.1194176578	0.925857323761	0.959120012445	56.0	1.0	1.0
6	2315	62.7900647948	33.7159009182	0.942837544423	0.976710270721	56.0	1.0	1.0
7	1756	63.0620728929	29.365579564	0.946921939751	0.980941403529	56.0	1.0	1.0
8	1302	61.2657450077	21.7651557844	0.919948797139	0.952999213935	56.0	1.0	1.0
9	977	61.8935516888	21.7946809117	0.929375761605	0.962764854973	56.0	1.0	1.0
10	726	62.0619834711	28.105914663	0.931904884779	0.965384840351	56.0	1.0	1.0
11	556	60.5251798561	18.9012317117	0.908828683929	0.941479595473	56.0	1.0	1.0
12	415	61.4289156627	24.5914890269	0.92239892074	0.955537361572	56.0	1.0	1.0
13	321	60.2056074766	22.8538925501	0.904030077039	0.936508592078	56.0	1.0	1.0
14	247	61.8623481781	25.9177553008	0.928907218667	0.96227947899	55.0	0.982142857143	0.982142857143
15	193	59.8134715026	21.4361668348	0.898141876094	0.930408849473	55.0	0.982142857143	0.982142857143
16	154	57.7207792208	10.2314112426	0.866718610986	0.897856660655	55.0	0.982142857143	0.982142857143
17	119	58.9075630252	15.1762705069	0.884539015083	0.916317287104	55.0	0.982142857143	0.982142857143
18	93	55.4838709677	7.24028886613	0.833129840354	0.863061167569	54.0	0.964285714286	0.964285714286
19	69	54.6376811594	5.05325555701	0.820423697692	0.849898539382	54.0	0.964285714286	0.964285714286
20	54	57.0740740741	13.7273070001	0.8570078726	0.887797050731	54.0	0.964285714286	0.964285714286
21	46	57.7608695652	14.2175408847	0.867320596062	0.898480272866	55.0	0.982142857143	0.982142857143
22	39	56.3846153846	10.5456647664	0.846655159318	0.877072402088	55.0	0.982142857143	0.982142857143
23	30	58.7	12.2532988755	0.881422308425	0.913088608504	57.5	1.02678571429	1.02678571429
24	24	54.875	10.5526951534	0.823987209111	0.853590074815	53.5	0.955357142857	0.955357142857
25	18	61.1666666667	20.586538212	0.918461065281	0.951458033279	55.5	0.991071428571	0.991071428571
26	16	62.25	21.3673231828	0.934728086873	0.968309469836	56.5	1.00892857143	1.00892857143
27	14	63.7142857143	31.187059064	0.956715379795	0.99108668628	52.5	0.9375	0.9375
28	10	54.9	8.99388681272	0.824362601917	0.85397895412	54.0	0.964285714286	0.964285714286
29	7	51.2857142857	2.18529407725	0.770091527682	0.797758117432	51.0	0.910714285714	0.910714285714
30	7	57.2857142857	13.9970842445	0.860185801116	0.891089150669	55.0	0.982142857143	0.982142857143
31	5	49.8	8.28009661779	0.747782469499	0.774647575868	54.0	0.964285714286	0.964285714286
32	5	57.2	5.07543101618	0.858898740067	0.889755850194	55.0	0.982142857143	0.982142857143
33	4	71.5	21.7313138121	1.07362342508	1.11219481274	60.0	1.07142857143	1.07142857143
34	3	54.3333333333	5.43650214343	0.815853698315	0.845164356537	51.0	0.910714285714	0.910714285714
35	2	53.5	2.5	0.803340604783	0.832201713031	53.5	0.955357142857	0.955357142857
36	1	67.0	0.0	1.00605272001	1.04219653781	67.0	1.19642857143	1.19642857143
37	1	50.0	0.0	0.750785611946	0.77775861031	50.0	0.892857142857	0.892857142857