#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	7957	76.4005278371	69.2004286373	1.07962728176	1.11628684539	62.0	1.03333333333	1.05084745763
2	7957	71.5588789745	104.927035377	1.01120921779	1.04554559414	60.0	1.0	1.01694915254
3	4823	66.7346050176	45.5592709408	0.943036681213	0.975058207351	58.0	0.966666666667	0.983050847458
4	2773	65.5524702488	33.8112194861	0.92633175805	0.957786055845	58.0	0.966666666667	0.983050847458
5	1585	65.7009463722	45.2793937756	0.928429896349	0.959955438023	57.0	0.95	0.966101694915
6	919	68.169749728	56.0871729311	0.963316925688	0.996027082916	57.0	0.95	0.966101694915
7	513	66.0	36.0526472304	0.932655867876	0.964324905619	59.0	0.983333333333	1.0
8	297	66.0101010101	24.5184579475	0.93279860676	0.96447249131	59.0	0.983333333333	1.0
9	168	65.7023809524	26.9279372373	0.928450168616	0.959976398649	58.5	0.975	0.991525423729
10	100	63.51	15.3300326158	0.897469305588	0.927943556907	59.0	0.983333333333	1.0
11	52	61.2692307692	14.9616373341	0.865804660563	0.895203714832	56.0	0.933333333333	0.949152542373
12	39	61.2307692308	16.5412639248	0.865261154812	0.894641753931	56.0	0.933333333333	0.949152542373
13	26	69.3076923077	44.6944922013	0.979397362419	1.01265354308	57.0	0.95	0.966101694915
14	17	54.9411764706	4.59501761163	0.776381979141	0.802744618403	55.0	0.916666666667	0.932203389831
15	13	62.6923076923	12.9933984148	0.885914373332	0.915996268158	58.0	0.966666666667	0.983050847458
16	7	61.7142857143	11.170295887	0.872093798533	0.901706405254	56.0	0.933333333333	0.949152542373
17	3	53.0	1.63299316186	0.748950924203	0.774382121179	53.0	0.883333333333	0.898305084746
18	1	61.0	0.0	0.862000120309	0.891269988527	61.0	1.01666666667	1.03389830508