#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	13970	84.5906227631	430.545982368	1.14152089475	1.1787201578	58.0	1.01754385965	1.01754385965
2	13970	79.7473872584	325.183154551	1.07616312404	1.11123254355	57.0	1.0	1.0
3	10653	72.995494227	177.437722288	0.985048686967	1.01714891868	57.0	1.0	1.0
4	8217	68.7943288305	104.554795661	0.928355428001	0.95860817058	57.0	1.0	1.0
5	6243	68.6269421752	164.40124405	0.926096603581	0.956275736816	57.0	1.0	1.0
6	4846	67.2422616591	115.403909092	0.90741082388	0.936981035072	57.0	1.0	1.0
7	3805	68.4446780552	169.547129342	0.923637012971	0.953735994403	57.0	1.0	1.0
8	3023	81.1042011247	472.931123135	1.09447285304	1.13013894006	57.0	1.0	1.0
9	2401	66.8675551853	164.072760805	0.902354290954	0.931759722598	57.0	1.0	1.0
10	1915	68.9018276762	140.167426079	0.92980608736	0.960106103239	57.0	1.0	1.0
11	1510	60.7635761589	30.4537712482	0.819983226974	0.846704395113	57.0	1.0	1.0
12	1181	68.4640135478	211.850305258	0.923897938688	0.954005423025	56.0	0.982456140351	0.982456140351
13	942	75.4628450106	426.79803768	1.0183447236	1.05152998848	56.0	0.982456140351	0.982456140351
14	775	60.5703225806	27.9834955371	0.817375337466	0.844011521118	56.0	0.982456140351	0.982456140351
15	639	66.0312989045	129.696174238	0.891069304667	0.920106987305	56.0	0.982456140351	0.982456140351
16	516	63.3875968992	76.302875689	0.855393469923	0.883268567832	56.0	0.982456140351	0.982456140351
17	423	59.8581560284	22.6749822753	0.807764898703	0.834087902595	56.0	0.982456140351	0.982456140351
18	325	61.7261538462	48.5820045092	0.832972876499	0.860117344283	55.0	0.964912280702	0.964912280702
19	244	58.9426229508	20.8038454754	0.795410099746	0.821330492159	56.0	0.982456140351	0.982456140351
20	183	59.7322404372	21.6671138812	0.8060657118	0.832333343512	56.0	0.982456140351	0.982456140351
21	137	65.5547445255	109.53877557	0.88463836985	0.913466484677	55.0	0.964912280702	0.964912280702
22	110	56.0727272727	7.05653673864	0.75668186043	0.78134019801	56.0	0.982456140351	0.982456140351
23	88	59.7954545455	24.5371513734	0.806918764101	0.833214194619	55.0	0.964912280702	0.964912280702
24	74	56.1351351351	10.1825557302	0.757524032725	0.782209814558	54.5	0.956140350877	0.956140350877
25	65	75.3692307692	104.26040907	1.01708143212	1.05022552955	55.0	0.964912280702	0.964912280702
26	60	59.2166666667	17.6106896199	0.799108223929	0.825149128805	56.0	0.982456140351	0.982456140351
27	54	60.5740740741	31.6231290484	0.817425962558	0.844063795954	55.0	0.964912280702	0.964912280702
28	47	55.9361702128	10.2467519614	0.754839070624	0.779437356371	55.0	0.964912280702	0.964912280702
29	40	57.2	19.0252463847	0.771894011969	0.797048074883	54.0	0.947368421053	0.947368421053
30	30	57.1	6.84762732631	0.770544546913	0.795654634192	55.5	0.973684210526	0.973684210526
31	23	52.4782608696	8.28235193029	0.708175792373	0.731253440547	53.0	0.929824561404	0.929824561404
32	21	60.3333333333	14.2070851986	0.814177250387	0.840709216514	55.0	0.964912280702	0.964912280702
33	19	59.5789473684	17.1197509496	0.803997075404	0.830197295516	56.0	0.982456140351	0.982456140351
34	12	56.0833333333	5.34568881332	0.756824985512	0.781487987174	56.0	0.982456140351	0.982456140351
35	10	54.5	5.60802995712	0.73545845546	0.759425176243	55.5	0.973684210526	0.973684210526
36	8	56.5	2.82842712475	0.762447756578	0.78729399005	56.0	0.982456140351	0.982456140351
37	7	49.7142857143	11.8769198233	0.6708769135	0.692739086062	54.0	0.947368421053	0.947368421053
38	6	57.1666666667	3.53160335007	0.771444190284	0.796583594653	56.0	0.982456140351	0.982456140351
39	4	52.5	3.35410196625	0.708469154342	0.731556362436	52.5	0.921052631579	0.921052631579
40	4	53.5	2.87228132327	0.721963804901	0.74549076934	53.0	0.929824561404	0.929824561404
41	2	55.5	1.5	0.748953106019	0.773359583147	55.5	0.973684210526	0.973684210526
42	2	49.5	1.5	0.667985202665	0.689753141725	49.5	0.868421052632	0.868421052632
43	2	55.5	1.5	0.748953106019	0.773359583147	55.5	0.973684210526	0.973684210526
44	2	53.0	2.0	0.715216479622	0.738523565888	53.0	0.929824561404	0.929824561404
45	2	49.0	3.0	0.661237877386	0.682785938274	49.0	0.859649122807	0.859649122807
46	2	54.5	1.5	0.73545845546	0.759425176243	54.5	0.956140350877	0.956140350877
47	1	53.0	0.0	0.715216479622	0.738523565888	53.0	0.929824561404	0.929824561404
48	1	63.0	0.0	0.850162985211	0.877867634923	63.0	1.10526315789	1.10526315789
49	1	59.0	0.0	0.796184382975	0.822130007309	59.0	1.0350877193	1.0350877193
50	1	52.0	0.0	0.701721829063	0.724589158984	52.0	0.912280701754	0.912280701754