#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	4224	101.828598485	88.6528169168	1.05849577227	1.08609041395	69.0	1.06153846154	1.09523809524
2	4224	93.0208333333	79.6376919007	0.966940135498	0.992147951404	65.0	1.0	1.03174603175
3	2411	90.2870178349	81.3639059171	0.938522459224	0.96298943552	63.0	0.969230769231	1.0
4	1333	94.8222055514	99.7460047491	0.985665178418	1.01136115012	62.0	0.953846153846	0.984126984127
5	747	100.511378849	111.840203545	1.04480343597	1.07204112288	62.0	0.953846153846	0.984126984127
6	427	93.1077283372	86.2715749684	0.967843398389	0.993074762066	62.0	0.953846153846	0.984126984127
7	247	107.311740891	111.806060325	1.11549236401	1.14457288836	64.0	0.984615384615	1.01587301587
8	123	113.398373984	135.051434937	1.17876216731	1.20949211493	62.0	0.953846153846	0.984126984127
9	69	101.782608696	86.5228242595	1.05801771406	1.08559989292	65.0	1.0	1.03174603175
10	46	75.4782608696	44.4716515128	0.784587249728	0.80504118501	58.0	0.892307692308	0.920634920635
11	30	122.666666667	132.840338586	1.2751049312	1.30834650344	63.5	0.976923076923	1.00793650794
12	18	99.4444444444	104.226368077	1.0337127839	1.06066134111	56.0	0.861538461538	0.888888888889
13	11	71.8181818182	40.3503254055	0.746541177606	0.76600326412	57.0	0.876923076923	0.904761904762
14	9	72.1111111111	33.6004115201	0.749586141621	0.76912760936	59.0	0.907692307692	0.936507936508
15	7	58.8571428571	24.5847140163	0.611812769784	0.627762530378	54.0	0.830769230769	0.857142857143
16	6	67.8333333333	20.9635927794	0.705119167118	0.723501395245	59.0	0.907692307692	0.936507936508
17	4	106.5	103.321101427	1.10705441717	1.13591496698	53.0	0.815384615385	0.84126984127
18	3	44.0	12.8322510366	0.457374594887	0.469298202321	51.0	0.784615384615	0.809523809524
19	2	49.5	8.5	0.514546419248	0.527960477612	49.5	0.761538461538	0.785714285714
20	2	74.5	16.5	0.774418348162	0.794607183476	74.5	1.14615384615	1.18253968254
21	2	114.0	57.0	1.18501599584	1.21590897874	114.0	1.75384615385	1.80952380952
22	1	55.0	0.0	0.571718243609	0.586622752902	55.0	0.846153846154	0.873015873016
23	1	59.0	0.0	0.613297752235	0.62928622584	59.0	0.907692307692	0.936507936508
24	1	63.0	0.0	0.654877260862	0.671949698778	63.0	0.969230769231	1.0
25	1	60.0	0.0	0.623692629392	0.639952094075	60.0	0.923076923077	0.952380952381