#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	7747	56.7462243449	92.2902794756	0.928278264009	0.915510740638	54.0	1.0	1.0
2	7747	69.9148057313	184.879509174	1.14369537783	1.12796501116	55.0	1.01851851852	1.01851851852
3	6497	64.5641065107	93.4463714756	1.05616642166	1.04163992676	54.0	1.0	1.0
4	5338	61.8308355189	70.6825819907	1.0114544416	0.997542914506	54.0	1.0	1.0
5	4288	61.5932835821	111.497781551	1.00756846853	0.993710389044	54.0	1.0	1.0
6	3437	57.3831830084	42.7136889366	0.938697897901	0.925787063064	54.0	1.0	1.0
7	2746	56.9176984705	67.423365361	0.931083308846	0.918277204937	54.0	1.0	1.0
8	2193	59.4290925673	136.907055427	0.972165734669	0.958794583777	54.0	1.0	1.0
9	1735	58.0126801153	92.5386864222	0.948995472555	0.935943005052	54.0	1.0	1.0
10	1340	65.1462686567	312.901113714	1.0656896714	1.05103219388	54.0	1.0	1.0
11	1037	54.5284474446	47.9488478126	0.891998950014	0.879730411708	54.0	1.0	1.0
12	807	53.2230483271	45.3706182498	0.870644690052	0.858669857872	53.0	0.981481481481	0.981481481481
13	614	53.0504885993	35.4644712531	0.867821886484	0.855885879096	53.5	0.990740740741	0.990740740741
14	461	54.5509761388	46.6212889298	0.892367483735	0.880093876622	54.0	1.0	1.0
15	368	52.6413043478	31.5588069158	0.861128280855	0.849284337205	53.0	0.981481481481	0.981481481481
16	274	57.295620438	77.5991255581	0.937265513071	0.92437437923	53.5	0.990740740741	0.990740740741
17	207	58.6956521739	109.132278599	0.960167812641	0.946961680963	54.0	1.0	1.0
18	160	52.0875	30.756175701	0.852068919734	0.840349578382	53.0	0.981481481481	0.981481481481
19	125	52.976	44.8498765216	0.866603371094	0.854684123146	53.0	0.981481481481	0.981481481481
20	95	49.0210526316	31.625432453	0.801906702376	0.790877291304	53.0	0.981481481481	0.981481481481
21	72	45.1388888889	22.20254337	0.738400658384	0.728244708354	53.0	0.981481481481	0.981481481481
22	54	51.962962963	29.7831439794	0.850031691251	0.838340369904	53.0	0.981481481481	0.981481481481
23	46	48.9130434783	24.4920804298	0.800139843867	0.789134734136	52.5	0.972222222222	0.972222222222
24	34	54.7058823529	28.9091166282	0.894901503808	0.882593043826	53.0	0.981481481481	0.981481481481
25	28	46.6071428571	19.3563191707	0.762418965513	0.751932668098	54.5	1.00925925926	1.00925925926
26	24	53.25	27.220167156	0.87108557669	0.859104680563	52.0	0.962962962963	0.962962962963
27	19	48.3684210526	16.7621457184	0.791230684436	0.780348111132	54.0	1.0	1.0
28	15	56.4666666667	15.2528321596	0.923705143607	0.911000518857	55.0	1.01851851852	1.01851851852
29	14	49.1428571429	13.6897101235	0.80389923107	0.792842414792	53.0	0.981481481481	0.981481481481
30	12	55.1666666667	15.491036835	0.902439204646	0.890027071256	50.5	0.935185185185	0.935185185185
31	11	36.7272727273	23.3825533604	0.600799953876	0.592536561583	50.0	0.925925925926	0.925925925926
32	8	54.75	4.17582327212	0.895623198569	0.88330481241	54.5	1.00925925926	1.00925925926
33	8	46.25	17.2028340688	0.75657667459	0.746170731944	53.0	0.981481481481	0.981481481481
34	6	43.6666666667	19.110788111	0.71431743691	0.704492727097	52.5	0.972222222222	0.972222222222
35	4	38.25	21.5334042826	0.625709357904	0.617103362095	50.0	0.925925925926	0.925925925926
36	3	56.0	5.09901951359	0.916071216801	0.903471588949	54.0	1.0	1.0
37	3	52.6666666667	1.6996731712	0.861543168182	0.849693518178	52.0	0.962962962963	0.962962962963
38	3	42.0	30.2324329157	0.687053412601	0.677603691712	52.0	0.962962962963	0.962962962963
39	2	41.5	8.5	0.678874205308	0.669536981096	41.5	0.768518518519	0.768518518519
40	2	84.0	27.0	1.3741068252	1.35520738342	84.0	1.55555555556	1.55555555556
41	2	54.0	4.0	0.883354387629	0.871204746486	54.0	1.0	1.0
42	1	55.0	0.0	0.899712802215	0.887338167718	55.0	1.01851851852	1.01851851852
43	1	55.0	0.0	0.899712802215	0.887338167718	55.0	1.01851851852	1.01851851852
44	1	1.0	0.0	0.0163584145857	0.0161334212312	1.0	0.0185185185185	0.0185185185185