#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	4167	281.433405328	1102.9898268	0.903325457257	0.858326663247	138.0	1.39393939394	1.97142857143
2	4167	298.761699064	2971.54361774	0.958944614637	0.911175174692	119.0	1.20202020202	1.7
3	1346	336.248885587	2056.00645224	1.07926839023	1.02550506984	64.0	0.646464646465	0.914285714286
4	670	493.491044776	3591.88510218	1.58397338495	1.50506838842	54.0	0.545454545455	0.771428571429
5	407	349.017199017	3194.82278941	1.12025123857	1.06444637409	53.0	0.535353535354	0.757142857143
6	290	197.65862069	734.912298787	0.634430954305	0.602827031713	54.0	0.545454545455	0.771428571429
7	238	430.092436975	3483.69450004	1.38048092351	1.31171282203	52.0	0.525252525253	0.742857142857
8	160	222.46875	1181.64846148	0.714064789449	0.678493939417	52.0	0.525252525253	0.742857142857
9	113	94.9115044248	254.540625877	0.304640374989	0.289464837345	53.0	0.535353535354	0.757142857143
10	93	113.580645161	384.680577521	0.364563290226	0.346402716683	53.0	0.535353535354	0.757142857143
11	76	456.065789474	2453.16668247	1.4638483919	1.39092737354	51.5	0.520202020202	0.735714285714
12	53	86.358490566	160.969831269	0.277187503338	0.263379519444	51.0	0.515151515152	0.728571428571
13	22	3006.86363636	9342.0442638	9.65122269712	9.17045092367	52.5	0.530303030303	0.75
14	22	1176.81818182	3558.57251304	3.77726951412	3.58910635385	48.5	0.489898989899	0.692857142857
15	20	52.4	1.8547236991	0.168189891691	0.159811579943	54.0	0.545454545455	0.771428571429
16	7	52.0	0.0	0.166905999388	0.158591644218	52.0	0.525252525253	0.742857142857