#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	3991	141.535955901	338.270577142	0.933774782787	0.903958169645	66.0	1.03125	1.03125
2	3991	142.708343773	692.355294483	0.941509539826	0.911445946082	63.0	0.984375	0.984375
3	1955	147.408695652	359.564118369	0.972519822879	0.941466031465	64.0	1.0	1.0
4	996	171.263052209	638.292720834	1.12989747628	1.09381841679	64.0	1.0	1.0
5	498	213.365461847	656.006675274	1.40766553999	1.36271699392	64.0	1.0	1.0
6	244	258.340163934	1783.49574855	1.70438337684	1.64996025391	65.5	1.0234375	1.0234375
7	131	119.969465649	125.355795253	0.791491186917	0.766217869453	66.0	1.03125	1.03125
8	76	238.684210526	851.408016643	1.57470443055	1.52442212085	66.0	1.03125	1.03125
9	48	111.520833333	144.324574828	0.735751853721	0.71225836386	59.5	0.9296875	0.9296875
10	26	126.538461538	127.885234238	0.83482973415	0.808172561905	72.0	1.125	1.125
11	16	308.625	683.757712479	2.03613449673	1.97111813978	67.0	1.046875	1.046875
12	9	444.666666667	978.726723861	2.93366104349	2.83998552554	58.0	0.90625	0.90625
13	6	476.5	843.220957599	3.1436795065	3.04329783266	58.5	0.9140625	0.9140625
14	5	202.2	296.917766393	1.33400209069	1.29140571199	52.0	0.8125	0.8125
15	3	156.333333333	81.3647480315	1.03139957226	0.998465675772	150.0	2.34375	2.34375
16	3	191.333333333	144.04243202	1.26230992426	1.22200276736	131.0	2.046875	2.046875
17	3	74.0	22.3755819291	0.488210458512	0.472621279363	64.0	1.0	1.0
18	1	55.0	0.0	0.36285912457	0.3512725725	55.0	0.859375	0.859375
19	1	51.0	0.0	0.336469370056	0.325725476318	51.0	0.796875	0.796875
20	1	342.0	0.0	2.25632401096	2.18427672354	342.0	5.34375	5.34375