#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	1387	76.2682047585	84.8176050096	1.04403328063	1.06709482354	56.0	1.0	1.0
2	1387	77.9329488104	50.5859449422	1.0668219145	1.09038683317	60.0	1.07142857143	1.07142857143
3	681	71.2452276065	43.376236194	0.975273889598	0.99681661344	57.0	1.01785714286	1.01785714286
4	350	65.9942857143	43.6500364448	0.903393895733	0.923348869843	54.0	0.964285714286	0.964285714286
5	165	57.5757575758	25.1316898864	0.788152904046	0.805562331837	51.0	0.910714285714	0.910714285714
6	92	56.652173913	34.725768775	0.775509993617	0.79264015347	49.0	0.875	0.875
7	46	49.847826087	11.6841910872	0.682365470209	0.697438170341	48.0	0.857142857143	0.857142857143
8	27	50.2962962963	11.5175062077	0.688504566119	0.703712872104	47.0	0.839285714286	0.839285714286
9	19	48.4736842105	7.77559218292	0.663554881238	0.678212076219	46.0	0.821428571429	0.821428571429
10	16	46.25	7.75	0.633114931474	0.647099741561	42.0	0.75	0.75
11	10	46.4	4.73708771293	0.635168277198	0.649198443426	45.0	0.803571428571	0.803571428571
12	7	43.0	1.06904496765	0.588625774127	0.60162786783	43.0	0.767857142857	0.767857142857
13	4	43.75	2.86138078556	0.598892502746	0.612121377152	44.0	0.785714285714	0.785714285714
14	4	46.25	5.53962995154	0.633114931474	0.647099741561	47.0	0.839285714286	0.839285714286
15	4	50.25	4.32290411645	0.687870817439	0.703065124615	49.0	0.875	0.875
16	4	70.75	41.3967088064	0.968494733011	0.989887712766	50.5	0.901785714286	0.901785714286
17	3	56.3333333333	8.80656320908	0.771145394011	0.788179144676	61.0	1.08928571429	1.08928571429
18	2	48.5	7.5	0.663915117329	0.678580269529	48.5	0.866071428571	0.866071428571
19	1	55.0	0.0	0.752893432023	0.769524016992	55.0	0.982142857143	0.982142857143
20	1	62.0	0.0	0.848716232462	0.867463437336	62.0	1.10714285714	1.10714285714
21	1	62.0	0.0	0.848716232462	0.867463437336	62.0	1.10714285714	1.10714285714
22	1	121.0	0.0	1.65636555045	1.69295283738	121.0	2.16071428571	2.16071428571
23	1	74.0	0.0	1.01298389036	1.0353595865	74.0	1.32142857143	1.32142857143