#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	4043	91.5624536235	69.3435189202	1.05601121671	1.0797550651	71.0	1.05970149254	1.09230769231
2	4043	84.6923076923	70.8578774075	0.976776215059	0.998738506745	67.0	1.0	1.03076923077
3	2512	84.4191878981	82.1833422882	0.973626260522	0.995517727162	65.0	0.970149253731	1.0
4	1518	83.65085639	81.4073790648	0.964764913337	0.986457137316	64.0	0.955223880597	0.984615384615
5	890	87.5494382022	91.0382702878	1.00972817022	1.03243136902	64.0	0.955223880597	0.984615384615
6	532	90.3308270677	113.883380649	1.04180657926	1.06523104396	64.0	0.955223880597	0.984615384615
7	317	85.1892744479	91.9665047298	0.982507849015	1.00459901343	63.0	0.940298507463	0.969230769231
8	190	79.7578947368	51.3859935431	0.919866475066	0.940549181633	63.0	0.940298507463	0.969230769231
9	106	82.7169811321	97.3548997436	0.953994311323	0.975444364067	62.5	0.932835820896	0.961538461538
10	67	86.9104477612	91.7525438003	1.00235854384	1.02489604053	63.0	0.940298507463	0.969230769231
11	42	78.9761904762	53.7810765512	0.910850896794	0.931330892897	66.0	0.985074626866	1.01538461538
12	27	68.1851851852	17.5563369103	0.786395706093	0.80407739368	66.0	0.985074626866	1.01538461538
13	15	65.9333333333	18.1272048467	0.760424571421	0.777522311911	60.0	0.89552238806	0.923076923077
14	13	62.5384615385	7.69230769231	0.721270720112	0.73748810716	60.0	0.89552238806	0.923076923077
15	8	118.25	134.878417473	1.36380493787	1.39446936375	63.0	0.940298507463	0.969230769231
16	7	65.4285714286	10.4451922345	0.754603034185	0.771569880519	62.0	0.925373134328	0.953846153846
17	4	69.25	23.6788407655	0.798676464675	0.816634278562	57.0	0.850746268657	0.876923076923
18	3	59.0	3.26598632371	0.680460814669	0.695760612782	59.0	0.880597014925	0.907692307692
19	2	71.0	8.0	0.818859624432	0.83727124589	71.0	1.05970149254	1.09230769231
20	1	69.0	0.0	0.795793156138	0.813686140372	69.0	1.02985074627	1.06153846154
21	1	55.0	0.0	0.634327878081	0.648590401746	55.0	0.820895522388	0.846153846154