fitting of equation

1:45

19:48

19:31

7:58

27:32

6:59

3:27

1:46

2:02

8:00

2:50

4:02

2:38

2:12

9:34

36:39

2:49

22:23

3:20

6:57

8:03

5:02

2:00

8:38

28:33

23:25

15:28

5:17

15:38

12:46

7:37

7:57

13:29

3:27

9:21

11:05

14:47

9:09

14:22

21:11