#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	4267	190.043590345	132.699333717	1.04951663193	1.06913926295	159.0	1.0	1.0
2	4267	179.936489337	113.28471734	0.993700118523	1.01227915784	158.0	0.993710691824	0.993710691824
3	2460	175.919512195	100.958024892	0.971516343145	0.989680616248	157.0	0.987421383648	0.987421383648
4	1396	178.272922636	101.109146309	0.984513063503	1.00292033404	162.0	1.01886792453	1.01886792453
5	854	179.035128806	107.118775298	0.988722350701	1.00720832155	162.0	1.01886792453	1.01886792453
6	536	178.985074627	94.6896332388	0.98844592626	1.00692672885	165.0	1.03773584906	1.03773584906
7	398	178.783919598	101.590509897	0.987335046656	1.00579507932	167.0	1.05031446541	1.05031446541
8	302	180.059602649	102.334326246	0.994380012375	1.01297176355	161.0	1.01257861635	1.01257861635
9	227	175.502202643	89.9230887449	0.969211749158	0.987332933667	160.0	1.00628930818	1.00628930818
10	178	176.146067416	76.0234367414	0.972767495428	0.99095516111	166.5	1.04716981132	1.04716981132
11	139	187.402877698	97.8256943064	1.03493328377	1.05428325245	164.0	1.03144654088	1.03144654088
12	113	156.946902655	55.8895625173	0.866740016684	0.882945304927	161.0	1.01257861635	1.01257861635
13	95	180.073684211	132.114323866	0.994457777866	1.01305098301	142.0	0.893081761006	0.893081761006
14	82	185.109756098	104.398393373	1.02226950882	1.04138270509	164.0	1.03144654088	1.03144654088
15	67	176.268656716	76.9978836867	0.973444495425	0.991644818858	159.0	1.0	1.0
16	53	164.037735849	69.0791075819	0.905899176738	0.922836617026	141.0	0.88679245283	0.88679245283
17	44	168.022727273	78.7419515761	0.927906310837	0.945255214706	159.5	1.00314465409	1.00314465409
18	39	161.897435897	55.2411008597	0.894079360072	0.910795807291	151.0	0.949685534591	0.949685534591
19	34	172.588235294	73.0842051203	0.953119350608	0.970939658323	164.0	1.03144654088	1.03144654088
20	29	197.551724138	88.2119650211	1.09098033653	1.11137820726	188.0	1.18238993711	1.18238993711
21	24	159.625	62.899928789	0.881529822016	0.898011632692	145.5	0.915094339623	0.915094339623
22	22	159.454545455	51.3771502737	0.880588485977	0.897052696656	144.0	0.905660377358	0.905660377358
23	20	157.2	68.0768683181	0.868137747977	0.88436916936	148.0	0.930817610063	0.930817610063
24	17	150.705882353	56.2523355916	0.832273952372	0.847834834568	149.0	0.937106918239	0.937106918239
25	15	180.533333333	71.0819870916	0.996996192333	1.01563685777	180.0	1.1320754717	1.1320754717
26	14	141.785714286	60.9240494051	0.783012281777	0.797652127036	140.5	0.883647798742	0.883647798742
27	12	145.333333333	69.9336987598	0.802604024847	0.817610173539	121.5	0.764150943396	0.764150943396
28	11	133.0	37.8753937873	0.734493132831	0.74822582395	135.0	0.849056603774	0.849056603774
29	9	134.555555556	29.8221063088	0.743083695788	0.756977003177	142.0	0.893081761006	0.893081761006
30	9	152.222222222	63.2925794804	0.840647946515	0.856365395832	143.0	0.899371069182	0.899371069182
31	8	140.125	78.8423070122	0.773840979232	0.788309350233	118.5	0.745283018868	0.745283018868
32	6	183.833333333	108.079317582	1.01522045804	1.03420185942	131.5	0.827044025157	0.827044025157
33	5	106.2	32.3814761862	0.586490005313	0.597455507545	90.0	0.566037735849	0.566037735849
34	4	139.0	27.0924343683	0.767628161379	0.781980372399	141.0	0.88679245283	0.88679245283
35	2	211.0	63.0	1.16524850396	1.18703495378	211.0	1.32704402516	1.32704402516
36	2	96.0	19.0	0.53016045678	0.540072775182	96.0	0.603773584906	0.603773584906
37	2	83.0	4.0	0.458367894924	0.466937920209	83.0	0.522012578616	0.522012578616
38	2	100.0	25.0	0.552250475812	0.562575807481	100.0	0.62893081761	0.62893081761
39	2	128.5	10.5	0.709641861419	0.722909912613	128.5	0.808176100629	0.808176100629
40	2	179.0	92.0	0.988528351704	1.00701069539	179.0	1.12578616352	1.12578616352
41	2	108.0	2.0	0.596430513877	0.607581872079	108.0	0.679245283019	0.679245283019
42	2	121.0	9.0	0.668223075733	0.680716727052	121.0	0.761006289308	0.761006289308
43	2	68.0	23.0	0.375530323552	0.382551549087	68.0	0.427672955975	0.427672955975
44	2	71.0	25.0	0.392097837827	0.399428823312	71.0	0.446540880503	0.446540880503
45	1	82.0	0.0	0.452845390166	0.461312162134	82.0	0.51572327044	0.51572327044
46	1	133.0	0.0	0.734493132831	0.74822582395	133.0	0.836477987421	0.836477987421
47	1	62.0	0.0	0.342395295004	0.348797000638	62.0	0.389937106918	0.389937106918