#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	4961	259.089498085	577.560053896	1.09311873055	1.15227031692	163.0	1.09395973154	1.14788732394
2	4961	231.556742592	463.774922619	0.9769558951	1.02982159889	151.0	1.01342281879	1.06338028169
3	2135	225.880093677	390.893135312	0.953005672099	1.00457536508	142.0	0.953020134228	1.0
4	949	213.45943098	527.973046786	0.900601930766	0.949335916754	130.0	0.872483221477	0.915492957746
5	441	217.519274376	540.387364394	0.917730725613	0.967391596632	133.0	0.892617449664	0.93661971831
6	214	223.845794393	475.531281395	0.9444228053	0.995528056341	128.0	0.859060402685	0.901408450704
7	111	136.648648649	77.5743350157	0.576531269874	0.607728923208	119.0	0.798657718121	0.838028169014
8	63	129.365079365	56.6090187406	0.54580132494	0.575336098533	116.0	0.778523489933	0.816901408451
9	41	133.097560976	75.0508136411	0.561548954968	0.591935875058	117.0	0.785234899329	0.823943661972
10	26	228.923076923	612.111913038	0.965844254936	1.01810867807	104.5	0.701342281879	0.735915492958
11	15	197.2	182.660778494	0.832002127672	0.877023994323	122.0	0.818791946309	0.859154929577
12	11	195.727272727	209.830273797	0.825788576839	0.870474211588	116.0	0.778523489933	0.816901408451
13	8	189.25	134.641886128	0.798460459746	0.841667296783	124.0	0.832214765101	0.87323943662
14	6	205.666666667	221.371984577	0.867723652424	0.914678506587	116.0	0.778523489933	0.816901408451
15	6	198.5	125.864676008	0.837486928717	0.882805592662	116.5	0.781879194631	0.820422535211
16	4	118.75	15.0561449249	0.501015480026	0.528126771429	118.5	0.795302013423	0.834507042254
17	3	189.666666667	110.671686633	0.800218408799	0.843520373174	118.0	0.791946308725	0.830985915493
18	2	105.5	13.5	0.445112700149	0.469198942196	105.5	0.708053691275	0.742957746479
19	2	119.5	4.5	0.504179788321	0.531462308933	119.5	0.802013422819	0.841549295775
20	1	757.0	0.0	3.19384183899	3.36666918713	757.0	5.08053691275	5.33098591549