#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	977	66.8198567042	90.8836315736	1.06226223972	1.10542209611	45.0	1.02272727273	1.04651162791
2	977	65.9877175026	115.2509782	1.04903338686	1.0916557532	44.0	1.0	1.02325581395
3	353	53.3966005666	49.6684895613	0.848867317423	0.883356909678	43.0	0.977272727273	1.0
4	132	51.75	35.6026843983	0.822690643422	0.856116673923	43.0	0.977272727273	1.0
5	46	45.0217391304	19.7621609565	0.715728763926	0.744808919006	41.5	0.943181818182	0.96511627907
6	24	36.0416666667	12.5747073083	0.572968926377	0.596248730228	39.0	0.886363636364	0.906976744186
7	12	41.25	6.7592529173	0.655767904177	0.682411841532	42.0	0.954545454545	0.976744186047
8	8	45.375	26.1196166702	0.721344694594	0.750653025686	45.5	1.03409090909	1.05813953488
9	3	35.3333333333	10.2740233383	0.561708265396	0.58453054709	37.0	0.840909090909	0.860465116279
10	1	41.0	0.0	0.651793553242	0.67827601219	41.0	0.931818181818	0.953488372093
11	1	43.0	0.0	0.683588360717	0.711362646931	43.0	0.977272727273	1.0
12	1	43.0	0.0	0.683588360717	0.711362646931	43.0	0.977272727273	1.0