#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	4641	109.304029304	192.585155243	1.0874023443	1.13237290101	70.0	1.09375	1.12903225806
2	4641	95.2131006249	135.918608676	0.947219873656	0.986393051157	64.0	1.0	1.03225806452
3	2432	94.8762335526	141.450259394	0.943868578681	0.982903160196	61.0	0.953125	0.983870967742
4	1291	99.2804027885	138.488293202	0.987683102101	1.02852967484	61.0	0.953125	0.983870967742
5	694	96.0763688761	148.955590506	0.955808028421	0.995336377219	60.0	0.9375	0.967741935484
6	402	89.3258706468	85.2490689601	0.888651239724	0.925402255742	60.0	0.9375	0.967741935484
7	225	96.7244444444	129.819000759	0.962255356089	1.00205034025	59.0	0.921875	0.951612903226
8	137	82.1459854015	86.2908458362	0.817222728833	0.851019750944	59.0	0.921875	0.951612903226
9	92	88.6956521739	68.3914149091	0.882381561934	0.918873289474	62.0	0.96875	1.0
10	72	122.5	165.916896869	1.21868139743	1.26908112406	63.0	0.984375	1.01612903226
11	49	121.244897959	133.487373188	1.20619511572	1.25607846032	66.0	1.03125	1.06451612903
12	39	144.0	168.862559801	1.4325724182	1.49181781115	71.0	1.109375	1.14516129032
13	24	121.416666667	145.249760948	1.20790394289	1.25785795766	67.5	1.0546875	1.08870967742
14	16	121.875	74.5686554458	1.21246363519	1.26260622037	86.0	1.34375	1.38709677419
15	12	107.416666667	64.1930140713	1.0686260689	1.11282011491	78.5	1.2265625	1.26612903226
16	11	162.181818182	127.396173898	1.61345277403	1.68017864589	92.0	1.4375	1.48387096774
17	9	85.6666666667	37.5647588986	0.852247943234	0.887493466353	77.0	1.203125	1.24193548387
18	8	116.375	65.3451174534	1.15774732756	1.20562706786	95.5	1.4921875	1.54032258065
19	6	255.833333333	168.179880551	2.5451373402	2.65039391216	268.0	4.1875	4.32258064516
20	6	127.833333333	54.6669207311	1.27173963514	1.32433363559	141.0	2.203125	2.27419354839
21	4	188.25	210.35728535	1.87278998421	1.9502409927	76.5	1.1953125	1.23387096774
22	3	196.0	123.474693764	1.94989023588	2.0305297985	229.0	3.578125	3.6935483871
23	3	151.333333333	80.6404916211	1.50552749505	1.56779001449	143.0	2.234375	2.3064516129
24	3	96.3333333333	52.6708859069	0.958364418656	0.9979984894	87.0	1.359375	1.40322580645
25	2	296.0	130.0	2.94473219297	3.06651438958	296.0	4.625	4.77419354839
26	2	57.5	22.5	0.572034125323	0.595691139867	57.5	0.8984375	0.927419354839
27	2	196.0	116.0	1.94989023588	2.0305297985	196.0	3.0625	3.16129032258
28	2	126.0	61.0	1.25350086592	1.30534058475	126.0	1.96875	2.03225806452
29	1	95.0	0.0	0.945099859229	0.984185361519	95.0	1.484375	1.53225806452
30	1	272.0	0.0	2.70597012327	2.81787808772	272.0	4.25	4.38709677419
31	1	396.0	0.0	3.93957415005	4.10249898065	396.0	6.1875	6.38709677419
32	1	254.0	0.0	2.52689857099	2.63140086133	254.0	3.96875	4.09677419355
33	1	229.0	0.0	2.27818808172	2.37240471356	229.0	3.578125	3.6935483871
34	1	89.0	0.0	0.885409341804	0.922026286055	89.0	1.390625	1.43548387097
35	1	267.0	0.0	2.65622802541	2.76607885817	267.0	4.171875	4.3064516129
36	1	463.0	0.0	4.60611826129	4.79660865667	463.0	7.234375	7.46774193548
37	1	222.0	0.0	2.20854914472	2.29988579218	222.0	3.46875	3.58064516129
38	1	195.0	0.0	1.93994181631	2.02016995259	195.0	3.046875	3.14516129032
39	1	308.0	0.0	3.06411322782	3.19083254051	308.0	4.8125	4.96774193548
40	1	110.0	0.0	1.09432615279	1.13958305018	110.0	1.71875	1.77419354839
41	1	304.0	0.0	3.02431954953	3.14939315686	304.0	4.75	4.90322580645
42	1	390.0	0.0	3.87988363262	4.04033990519	390.0	6.09375	6.29032258065
43	1	242.0	0.0	2.40751753614	2.5070827104	242.0	3.78125	3.90322580645
44	1	462.0	0.0	4.59616984172	4.78624881076	462.0	7.21875	7.45161290323
45	1	89.0	0.0	0.885409341804	0.922026286055	89.0	1.390625	1.43548387097
46	1	55.0	0.0	0.547163076396	0.56979152509	55.0	0.859375	0.887096774194
47	1	134.0	0.0	1.33308822249	1.38821935204	134.0	2.09375	2.16129032258
48	1	76.0	0.0	0.756079887383	0.787348289216	76.0	1.1875	1.22580645161
49	1	270.0	0.0	2.68607328412	2.7971583959	270.0	4.21875	4.35483870968
50	1	61.0	0.0	0.606853593821	0.631950600555	61.0	0.953125	0.983870967742
51	1	386.0	0.0	3.84008995434	3.99890052154	386.0	6.03125	6.22580645161
52	1	40.0	0.0	0.397936782833	0.414393836429	40.0	0.625	0.645161290323
53	1	92.0	0.0	0.915254600516	0.953105823787	92.0	1.4375	1.48387096774
54	1	52.0	0.0	0.517317817683	0.538711987358	52.0	0.8125	0.838709677419
55	1	59.0	0.0	0.586956754679	0.611230908733	59.0	0.921875	0.951612903226