#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	6121	67.416435223	54.9263984614	1.20990493428	1.26025836799	54.0	1.08	1.08
2	6121	60.2656428688	44.6599416109	1.08157155497	1.12658405145	52.0	1.04	1.04
3	5224	56.0738897397	34.7335996933	1.00634327009	1.04822494006	51.0	1.02	1.02
4	4373	53.2707523439	28.2477419541	0.956036104558	0.995824107115	50.0	1.0	1.0
5	3564	51.9385521886	27.0288096231	0.932127460678	0.970920440997	49.0	0.98	0.98
6	2847	50.4706708816	18.269643508	0.905783783052	0.943480400684	49.0	0.98	0.98
7	2244	50.7009803922	26.4987669797	0.909917086931	0.947785723072	49.0	0.98	0.98
8	1774	49.6335963923	15.4954231461	0.890761028562	0.927832434038	49.0	0.98	0.98
9	1383	49.2111352133	20.6449927491	0.883179229504	0.91993509811	48.0	0.96	0.96
10	1074	49.7523277467	18.3640031049	0.89289186878	0.930051954878	49.0	0.98	0.98
11	796	48.9974874372	15.5336397388	0.879344949367	0.915941244137	48.0	0.96	0.96
12	615	49.1219512195	20.534795125	0.881578667953	0.918267924903	48.0	0.96	0.96
13	488	48.5799180328	15.4181394125	0.871850941694	0.908135353268	47.0	0.94	0.94
14	371	50.167115903	20.0453420535	0.900335962127	0.937805854103	48.0	0.96	0.96
15	290	48.7413793103	11.1611400123	0.874748644543	0.91115365178	49.0	0.98	0.98
16	216	47.6990740741	12.0771899737	0.856042668112	0.891669176049	48.0	0.96	0.96
17	173	48.0751445087	9.11202696351	0.862791904747	0.89869930024	48.0	0.96	0.96
18	131	49.4732824427	17.5661577147	0.887883916505	0.924835583258	48.0	0.96	0.96
19	98	48.2653061224	12.9571909122	0.866204684941	0.90225411242	47.0	0.94	0.94
20	75	47.4933333333	11.1706440678	0.852350293447	0.887823133325	47.0	0.94	0.94
21	57	46.8596491228	13.9440468295	0.840977730502	0.87597727072	44.0	0.88	0.88
22	45	47.9777777778	7.33784373078	0.861044489777	0.896879161917	48.0	0.96	0.96
23	36	46.9444444444	8.39293500658	0.842499529715	0.877562403682	45.5	0.91	0.91
24	31	45.7419354839	7.4225799442	0.82091841941	0.855083137682	45.0	0.9	0.9
25	24	46.75	6.89957728174	0.839009886692	0.87392752982	47.0	0.94	0.94
26	20	48.15	13.0394593446	0.864135316454	0.900098621623	47.5	0.95	0.95
27	19	53.8421052632	15.6348570017	0.966290024302	1.00650477119	51.0	1.02	1.02
28	16	49.0625	14.4025551119	0.880511712638	0.917156565386	45.0	0.9	0.9
29	11	48.0909090909	14.7059329119	0.863074827536	0.898993997618	44.0	0.88	0.88
30	10	49.1	5.66480361531	0.881184715221	0.917857576774	47.5	0.95	0.95
31	9	47.2222222222	7.52444575704	0.847484734033	0.882755080627	46.0	0.92	0.92
32	9	45.7777777778	5.59320575496	0.82156167158	0.855753160513	46.0	0.92	0.92
33	6	43.3333333333	3.7267799625	0.777691873583	0.810057603399	44.0	0.88	0.88
34	3	42.3333333333	3.29983164554	0.759745138039	0.791363966397	40.0	0.8	0.8
35	2	45.0	7.0	0.80760309949	0.841213665068	45.0	0.9	0.9
36	1	40.0	0.0	0.717869421769	0.74774548006	40.0	0.8	0.8
37	1	63.0	0.0	1.13064433929	1.17769913109	63.0	1.26	1.26