frequency analysis in stata

1:17

23:50

4:34

1:15:47

3:19

52:13

6:17

14:26

2:25

11:54

5:13

12:09

1:07

1:12

1:24

1:13

2:36

6:20

15:03

17:40

17:29

20:10

14:06

23:25

1:53:45

6:49

18:01

3:27

15:31

4:50

11:13

4:39

15:14

5:09

3:01

9:24

21:36

6:05

6:26

1:02