catch period trap
1   19.1      1    1
2   50.1      1    2
3  123.0      1    3
4   23.4      2    1
5  166.1      2    2
6  407.4      2    3
7   29.5      3    1
8  223.9      3    2
9  398.1      3    3
10  23.4      4    1
11  58.9      4    2
12 229.1      4    3
13  16.6      5    1
14  64.6      5    2
15 251.2      5    3