#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	4985	123.504312939	123.591429135	1.02271988021	1.03393222406	74.0	1.07246376812	1.10447761194
2	4985	126.465396189	140.724484714	1.04724014703	1.05872131294	70.0	1.01449275362	1.0447761194
3	2679	116.232176185	126.580580538	0.962500454247	0.973052596878	66.0	0.95652173913	0.985074626866
4	1324	114.993957704	128.081839725	0.952246960854	0.962686691772	65.0	0.942028985507	0.970149253731
5	707	112.899575672	128.749440723	0.934903711132	0.945153303496	64.0	0.927536231884	0.955223880597
6	349	97.7163323782	98.3131788585	0.809173650432	0.818044831464	61.0	0.884057971014	0.910447761194
7	160	103.3	112.320011574	0.855411127856	0.86478922237	61.5	0.891304347826	0.917910447761
8	85	88.6117647059	75.7567460196	0.733780150904	0.741824773406	60.0	0.869565217391	0.89552238806
9	52	106.25	117.764738584	0.879839616019	0.889485526397	60.0	0.869565217391	0.89552238806
10	30	112.7	107.085370927	0.933251056238	0.943482530117	65.0	0.942028985507	0.970149253731
11	19	86.1052631579	61.5004447882	0.713024203991	0.720841273652	58.0	0.840579710145	0.865671641791
12	14	113.214285714	106.351290254	0.937509775724	0.947787939052	58.0	0.840579710145	0.865671641791
13	12	124.916666667	100.731870439	1.03441536032	1.04575592476	73.0	1.05797101449	1.08955223881
14	10	62.9	27.0016666152	0.520865052683	0.526575431627	53.5	0.775362318841	0.798507462687
15	6	60.1666666667	17.5633773011	0.498230747267	0.503692980438	53.0	0.768115942029	0.791044776119
16	5	93.8	62.812100745	0.77674311513	0.785258751774	58.0	0.840579710145	0.865671641791
17	4	62.25	6.86931583202	0.515482504444	0.521133873113	61.5	0.891304347826	0.917910447761
18	1	57.0	0.0	0.472008076358	0.477182823573	57.0	0.826086956522	0.850746268657
19	1	54.0	0.0	0.447165546024	0.452067938122	54.0	0.782608695652	0.805970149254
20	1	51.0	0.0	0.422323015689	0.426953052671	51.0	0.739130434783	0.761194029851