Column time

Dataset

Data row number	Time
1	15:07.41
2	15:07.83
3	15:07.85
4	15:08.91
5	15:11.19
6	15:14.13
7	15:14.64
8	15:16.99
9	15:17.56
10	15:18.80
11	15:19.36
12	15:22.19
13	15:22.66
14	15:22.85
15	15:23.01
16	15:23.22
17	15:24.33
18	15:29.16
19	15:30.31
20	15:36.54
21	15:37.52
22	15:38.75
23	15:39.51
24	15:45.96
25	15:47.35
26	15:50.50
27	15:52.06
28	15:52.80
29	15:53.67
30	15:56.13
31	15:57.54
32	15:57.89
33	15:59.74
34	16:21.10
35	16:26.77