#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	4159	116.062995912	104.620409243	1.10760043974	1.15808814462	88.0	1.08641975309	1.12820512821
2	4159	105.430151479	100.344170248	1.00613017285	1.05199256277	83.0	1.02469135802	1.0641025641
3	2487	96.5770004021	78.8239833273	0.921643692485	0.963654938676	78.0	0.962962962963	1.0
4	1458	97.2832647462	97.7757716253	0.9283836417	0.970702114716	75.0	0.925925925926	0.961538461538
5	851	96.6650998825	115.946022296	0.922484434381	0.964534004075	73.0	0.901234567901	0.935897435897
6	521	99.689059501	144.772451195	0.951342374647	0.994707374634	70.0	0.864197530864	0.897435897436
7	311	89.8006430868	74.9613756894	0.85697625664	0.896039769786	73.0	0.901234567901	0.935897435897
8	186	103.387096774	113.892425405	0.986633103426	1.03160675924	76.0	0.938271604938	0.974358974359
9	103	90.8252427184	51.2118059781	0.866754110413	0.906263327062	73.0	0.901234567901	0.935897435897
10	58	101.810344828	90.220889258	0.971586006496	1.01587377111	73.5	0.907407407407	0.942307692308
11	40	96.25	64.9910570771	0.918523095896	0.960392096062	84.5	1.04320987654	1.08333333333
12	21	75.6666666667	25.640989011	0.72209434725	0.755009543917	65.0	0.802469135802	0.833333333333
13	19	91.8421052632	33.7611785119	0.876458128415	0.916409682914	86.0	1.06172839506	1.10256410256
14	10	64.2	8.14616474177	0.612666833834	0.640594000698	64.0	0.79012345679	0.820512820513
15	10	73.4	24.3893419345	0.700463327156	0.732392517932	64.0	0.79012345679	0.820512820513
16	8	63.5	13.5830777072	0.605986665864	0.633609330908	60.5	0.746913580247	0.775641025641
17	6	86.1666666667	32.667091834	0.822296866802	0.85977959076	82.0	1.01234567901	1.05128205128
18	6	166.0	149.81210454	1.58415411864	1.65636455009	115.5	1.42592592593	1.48076923077
19	4	152.25	117.848154419	1.45293653351	1.51916567923	99.0	1.22222222222	1.26923076923
20	2	74.0	10.0	0.706189185416	0.738379377752	74.0	0.913580246914	0.948717948718
21	1	49.0	0.0	0.467611757911	0.488926885268	49.0	0.604938271605	0.628205128205
22	1	62.0	0.0	0.591672020214	0.618642181359	62.0	0.765432098765	0.794871794872
23	1	68.0	0.0	0.648930602815	0.678510779555	68.0	0.83950617284	0.871794871795
24	1	52.0	0.0	0.496241049211	0.518861184366	52.0	0.641975308642	0.666666666667
25	1	56.0	0.0	0.534413437612	0.558773583163	56.0	0.691358024691	0.717948717949