#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	4455	95.1254769921	79.7712200934	1.11830091916	1.18496541845	71.0	1.07575757576	1.09230769231
2	4455	82.3957351291	76.9475623027	0.968649296098	1.02639271668	66.0	1.0	1.01538461538
3	2286	80.6106736658	80.7791061974	0.947664004479	1.00415644339	65.0	0.984848484848	1.0
4	1176	78.8290816327	83.6010257186	0.926719499692	0.981963388319	63.0	0.954545454545	0.969230769231
5	605	77.3190082645	75.6546462979	0.908966984918	0.96315260516	62.0	0.939393939394	0.953846153846
6	332	76.0331325301	80.802575028	0.893850151226	0.947134622115	60.0	0.909090909091	0.923076923077
7	187	69.2673796791	29.2412636998	0.81431154736	0.862854538465	62.0	0.939393939394	0.953846153846
8	110	74.0818181818	102.546675122	0.870910380532	0.922827358736	59.0	0.893939393939	0.907692307692
9	68	75.3235294118	113.025431961	0.885508013613	0.938295190423	59.5	0.901515151515	0.915384615385
10	47	59.2978723404	10.2415816881	0.697109410004	0.738665711151	56.0	0.848484848485	0.861538461538
11	35	69.2	29.1271105918	0.813519427735	0.862015198761	61.0	0.924242424242	0.938461538462
12	26	67.3846153846	27.9464830911	0.792177655287	0.839401193991	58.5	0.886363636364	0.9
13	20	73.9	34.8681803368	0.868772914879	0.920562473821	62.0	0.939393939394	0.953846153846
14	11	66.1818181818	16.0386928838	0.778037497886	0.824418109167	61.0	0.924242424242	0.938461538462
15	5	55.2	3.54400902933	0.648934572413	0.687619060283	57.0	0.863636363636	0.876923076923
16	2	64.0	10.0	0.752387910044	0.797239490183	64.0	0.969696969697	0.984615384615
17	1	54.0	0.0	0.6348272991	0.672670819842	54.0	0.818181818182	0.830769230769
18	1	53.0	0.0	0.623071238005	0.660213952808	53.0	0.80303030303	0.815384615385
19	1	60.0	0.0	0.705363665666	0.747412022047	60.0	0.909090909091	0.923076923077