#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	21	-2479.71428571	11112.8810595	0.964678011316	0.941401490363	2.0	1.0	0.8
2	21	-2479.33333333	11112.9662335	0.964529810215	0.941256865177	2.0	1.0	0.8
3	6	12.0	21.0237960416	-0.00466833465552	-0.00455569335122	3.0	1.5	1.2
4	2	30.5	28.5	-0.0118653505828	-0.0115790539343	30.5	15.25	12.2
5	1	-27089.0	0.0	10.5383764569	10.2840980993	-27089.0	-13544.5	-10835.6