#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	3975	75.1403773585	61.869706204	1.05281169849	1.08062932367	59.0	1.01724137931	1.01724137931
2	3975	71.0802515723	69.0159901256	0.995924202377	1.02223873346	58.0	1.0	1.0
3	1987	67.7070961248	42.136246585	0.948662029351	0.973727788776	57.0	0.98275862069	0.98275862069
4	1040	68.2846153846	43.0738827911	0.956753804428	0.982033366537	57.0	0.98275862069	0.98275862069
5	539	66.4304267161	29.7224683102	0.930774276643	0.955367401883	58.0	1.0	1.0
6	284	70.8802816901	79.83296668	0.993122371475	1.01936287196	57.0	0.98275862069	0.98275862069
7	137	70.1824817518	30.8379846772	0.983345312001	1.00932748085	61.0	1.05172413793	1.05172413793
8	82	72.0731707317	53.8968709187	1.0098362553	1.03651837375	59.0	1.01724137931	1.01724137931
9	42	65.3333333333	22.5743920096	0.915402611124	0.939589582793	60.0	1.03448275862	1.03448275862
10	22	72.0	25.7381923502	1.00881104083	1.03546607083	60.0	1.03448275862	1.03448275862
11	17	69.9411764706	21.939678233	0.979964319891	1.00585715541	62.0	1.06896551724	1.06896551724
12	10	64.5	14.6236110452	0.90372655741	0.927605021788	60.0	1.03448275862	1.03448275862
13	8	59.875	14.6836431106	0.838924459301	0.86109070821	56.0	0.965517241379	0.965517241379
14	5	66.8	12.5283678107	0.935952465659	0.960682410162	71.0	1.22413793103	1.22413793103
15	3	66.3333333333	13.2245562833	0.92941387558	0.953971055999	58.0	1.0	1.0
16	2	67.5	14.5	0.945760350778	0.970749441406	67.5	1.16379310345	1.16379310345
17	2	92.5	24.5	1.29604196218	1.33028627156	92.5	1.59482758621	1.59482758621