#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	4523	94.6259120053	108.948213629	1.05552096169	1.07860837629	69.0	1.06153846154	1.09523809524
2	4523	88.4099049304	111.045992623	0.986183444864	1.00775423966	66.0	1.01538461538	1.04761904762
3	2877	86.5787278415	119.740844332	0.96575726602	0.986881278916	63.0	0.969230769231	1.0
4	1736	90.0328341014	142.627150663	1.0042866866	1.02625345368	62.0	0.953846153846	0.984126984127
5	1025	86.6614634146	142.824502673	0.966680154158	0.98782435339	61.0	0.938461538462	0.968253968254
6	619	89.6736672052	147.66229034	1.00028029787	1.02215943319	61.0	0.938461538462	0.968253968254
7	380	77.6078947368	87.1410317322	0.865690569857	0.884625823471	59.0	0.907692307692	0.936507936508
8	221	92.778280543	153.173372563	1.03491123971	1.05754785778	62.0	0.953846153846	0.984126984127
9	119	86.1596638655	86.6395976768	0.96108274504	0.982104512118	62.0	0.953846153846	0.984126984127
10	84	94.9880952381	137.161053584	1.05956099666	1.08273677897	63.0	0.969230769231	1.0
11	48	83.25	65.2857501042	0.92862640051	0.948938249822	66.0	1.01538461538	1.04761904762
12	33	85.4545454545	74.2796072627	0.953217380813	0.974067108745	60.0	0.923076923077	0.952380952381
13	20	68.95	24.5346183993	0.76911459838	0.785937445348	59.0	0.907692307692	0.936507936508
14	12	59.0	19.2570333472	0.658125617178	0.672520801676	57.0	0.876923076923	0.904761904762
15	9	99.1111111111	78.7378836456	1.10555188422	1.12973362541	65.0	1.0	1.03174603175
16	7	60.4285714286	10.5269333868	0.674060862146	0.688804598327	56.0	0.861538461538	0.888888888889
17	6	63.8333333333	15.941734187	0.712039862653	0.727614313677	56.0	0.861538461538	0.888888888889
18	3	55.3333333333	3.09120616517	0.617225155094	0.630725723606	57.0	0.876923076923	0.904761904762
19	2	59.5	4.5	0.663702952917	0.678220130504	59.5	0.915384615385	0.944444444444
20	2	67.0	10.0	0.747362988999	0.76371006292	67.0	1.03076923077	1.06349206349
21	2	58.5	11.5	0.652548281439	0.666821472848	58.5	0.9	0.928571428571
22	1	62.0	0.0	0.691589631611	0.706716774642	62.0	0.953846153846	0.984126984127
23	1	52.0	0.0	0.580042916835	0.592730198087	52.0	0.8	0.825396825397
24	1	106.0	0.0	1.18239517663	1.20825771149	106.0	1.63076923077	1.68253968254
25	1	62.0	0.0	0.691589631611	0.706716774642	62.0	0.953846153846	0.984126984127