#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	4565	49.1029572837	420.535724053	1.15057475057	1.20072971347	31.0	1.0	1.0
2	4565	38.560788609	169.260087092	0.903551887503	0.942938821185	32.0	1.03225806452	1.03225806452
3	3730	38.4528150134	196.586131991	0.901021862843	0.940298509651	32.0	1.03225806452	1.03225806452
4	2828	35.526874116	149.991205491	0.832461558037	0.868749577168	31.0	1.0	1.0
5	1921	33.7943779282	102.818352583	0.791865910047	0.82638431515	31.0	1.0	1.0
6	1252	58.4936102236	536.280082267	1.37061543166	1.43036223741	31.0	1.0	1.0
7	814	55.1228501229	399.831075687	1.29163217532	1.34793600417	31.0	1.0	1.0
8	518	64.6061776062	466.047422604	1.51384439546	1.57983472721	31.0	1.0	1.0
9	331	52.2719033233	421.086465307	1.22482912344	1.27822092542	31.0	1.0	1.0
10	198	30.3484848485	25.2009053214	0.711122146535	0.74212083207	31.0	1.0	1.0
11	117	68.0256410256	421.219687317	1.59396886227	1.66345191769	31.0	1.0	1.0
12	74	27.6891891892	14.4174497086	0.648809841754	0.677092257588	31.0	1.0	1.0
13	38	31.5263157895	14.2713124873	0.738720943351	0.77092269425	31.5	1.01612903226	1.01612903226
14	24	27.875	14.1901153977	0.653163738935	0.681635946481	31.0	1.0	1.0
15	16	28.1875	12.7975522562	0.660486202376	0.689277605074	30.0	0.967741935484	0.967741935484
16	10	36.2	11.8220133649	0.848234165003	0.885209731394	32.0	1.03225806452	1.03225806452
17	9	28.7777777778	10.030816714	0.674317522209	0.703711849082	32.0	1.03225806452	1.03225806452
18	7	26.0	18.8148877222	0.609228958289	0.635785994924	30.0	0.967741935484	0.967741935484
19	3	32.3333333333	3.3993463424	0.757630884027	0.790656942405	31.0	1.0	1.0
20	1	1.0	0.0	0.0234318830111	0.0244533074971	1.0	0.0322580645161	0.0322580645161