The following is an example of the input for box 1. 
The first line indicates there was one observation of a
repair taking 0.2 hours, while the third line indicates
there were four repairs that took 0.5 hours. The longest
observed repair took 24.5 hours and was observed one time (last line).


0.2 1
0.3 1
0.5 4
0.6 2
0.7 3
0.8 2
1 4
1.1 1
1.3 1
1.5 4
2 2
2.2 1
2.5 1
2.7 1
3 2
3.3 2
4 2
4.5 1
4.7 1
5 1
5.4 1
5.5 1
7 1
7.5 1
8.8 1
9 1
10.3 1
22 1
24.5 1