#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	9866	242.166531522	769.920487323	0.921514293994	0.897492843427	68.0	1.0625	1.07936507937
2	9866	266.704743564	803.944771557	1.01488934877	0.988433856453	64.0	1.0	1.01587301587
3	6310	254.233597464	747.896261109	0.967432999945	0.942214569654	63.0	0.984375	1.0
4	4085	265.694736842	700.115847091	1.01104597857	0.98469067279	63.0	0.984375	1.0
5	2649	252.228765572	776.757366593	0.959804029772	0.93478446664	62.0	0.96875	0.984126984127
6	1740	274.791954023	744.325710703	1.04566354366	1.01840584913	63.0	0.984375	1.0
7	1194	261.474036851	654.011955499	0.994984983894	0.969048345948	63.0	0.984375	1.0
8	825	289.509090909	737.095298458	1.10166654259	1.07294899739	64.0	1.0	1.01587301587
9	585	253.91965812	599.452909015	0.96623836916	0.941051079748	63.0	0.984375	1.0
10	414	352.212560386	1526.82528549	1.34027153496	1.30533418604	64.0	1.0	1.01587301587
11	293	351.201365188	817.845853446	1.33642364226	1.30158659777	65.0	1.015625	1.03174603175
12	220	316.359090909	848.193123999	1.20383862491	1.17245772262	64.0	1.0	1.01587301587
13	169	303.408284024	787.068197869	1.15455702688	1.12446076605	61.0	0.953125	0.968253968254
14	132	534.446969697	2044.24323745	2.03372662135	1.98071272475	63.0	0.984375	1.0
15	100	656.06	1847.79703333	2.49649967697	2.43142250565	63.5	0.9921875	1.00793650794
16	77	356.038961039	861.035580687	1.35483210563	1.31951520099	61.0	0.953125	0.968253968254
17	58	241.620689655	497.45978273	0.919437206464	0.895469900098	63.0	0.984375	1.0
18	44	352.431818182	814.111099123	1.34110587483	1.30614677687	67.5	1.0546875	1.07142857143
19	32	352.6875	758.330709416	1.34207881874	1.30709435869	64.5	1.0078125	1.02380952381
20	26	599.0	997.517032822	2.27936973219	2.21995256666	65.0	1.015625	1.03174603175
21	21	512.285714286	945.271144918	1.94939657993	1.8985809454	74.0	1.15625	1.1746031746
22	16	422.1875	1024.99348893	1.60654659234	1.56466815399	57.5	0.8984375	0.912698412698
23	12	699.833333333	1281.214322	2.66306997927	2.59365075888	80.0	1.25	1.26984126984
24	11	595.363636364	1363.76652712	2.26553230781	2.20647584748	86.0	1.34375	1.36507936508
25	10	534.5	922.804990234	2.03392841712	1.98090926024	86.0	1.34375	1.36507936508
26	7	260.0	475.434237604	0.98937584369	0.963585421256	60.0	0.9375	0.952380952381
27	6	193.666666667	246.824949216	0.736958160492	0.717747602243	81.0	1.265625	1.28571428571
28	5	317.2	499.117380984	1.2070385293	1.17557421393	78.0	1.21875	1.2380952381
29	3	64.3333333333	6.23609564462	0.244807099785	0.238425623465	66.0	1.03125	1.04761904762
30	3	52.6666666667	1.24721912892	0.200412029876	0.195187816101	53.0	0.828125	0.84126984127
31	3	52.0	2.16024689947	0.197875168738	0.192717084251	53.0	0.828125	0.84126984127
32	2	325.0	272.0	1.23671980461	1.20448177657	325.0	5.078125	5.15873015873
33	2	53.0	2.0	0.201680460445	0.196423182025	53.0	0.828125	0.84126984127
34	2	56.0	0.0	0.213096335564	0.207541475347	56.0	0.875	0.888888888889
35	2	2086.0	1035.0	7.93783849976	7.73091995669	2086.0	32.59375	33.1111111111
36	2	64.0	15.0	0.243538669216	0.23719025754	64.0	1.0	1.01587301587
37	2	291.0	44.0	1.10733988659	1.07847445225	291.0	4.546875	4.61904761905
38	1	66.0	0.0	0.251149252629	0.244602453088	66.0	1.03125	1.04761904762
39	1	1146.0	0.0	4.36086429565	4.24718804907	1146.0	17.90625	18.1904761905
40	1	174.0	0.0	0.662120756931	0.644861012687	174.0	2.71875	2.7619047619