#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	16	131.375	156.834257658	1.19742838542	1.43620540852	64.0	0.969696969697	0.955223880597
2	16	97.25	47.8820164571	0.886393229167	1.06314729574	77.0	1.16666666667	1.14925373134
3	2	60.0	7.0	0.546875	0.655926352129	60.0	0.909090909091	0.89552238806
4	1	62.0	0.0	0.565104166667	0.677790563867	62.0	0.939393939394	0.925373134328