Time (h) | Aug. 2013 | Sep. 2013 | Oct. 2013 | Nov. 2013 | Dec. 2013 | Jan. 2014 | Feb. 2014 | Mar. 2014 | Apr. 2014 | May 2014 | Jun. 2014 | Jul. 2014 |
0 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 3 | 2 | 3 |
1 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 3 | 2 | 3 |
2 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 3 | 4 | 3 | 2 | 3 |
3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 3 | 4 | 3 | 2 | 3 |
4 | 2 | 2 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 3 | 2 | 2 |
5 | 2 | 2 | 2 | 2 | 3 | 4 | 4 | 4 | 2 | 2 | 2 | 2 |
6 | 7 | 6 | 7 | 7 | 7 | 8 | 8 | 7 | 8 | 7 | 5 | 6 |
7 | 9 | 8 | 8 | 8 | 10 | 13 | 12 | 11 | 9 | 8 | 7 | 8 |
8 | 10 | 9 | 8 | 8 | 11 | 14 | 13 | 12 | 9 | 8 | 8 | 9 |
9 | 9 | 8 | 8 | 8 | 10 | 13 | 12 | 11 | 9 | 8 | 7 | 8 |
10 | 9 | 8 | 8 | 8 | 10 | 12 | 12 | 11 | 9 | 8 | 7 | 8 |
11 | 9 | 8 | 8 | 8 | 10 | 12 | 12 | 11 | 9 | 8 | 7 | 8 |
12 | 10 | 9 | 8 | 8 | 10 | 12 | 12 | 11 | 9 | 8 | 7 | 8 |
13 | 11 | 10 | 8 | 8 | 10 | 12 | 12 | 11 | 9 | 8 | 8 | 9 |
14 | 11 | 10 | 8 | 8 | 10 | 12 | 12 | 11 | 9 | 8 | 8 | 9 |
15 | 10 | 9 | 8 | 8 | 10 | 12 | 12 | 11 | 9 | 8 | 7 | 9 |
16 | 10 | 9 | 8 | 8 | 10 | 12 | 12 | 11 | 9 | 8 | 7 | 8 |
17 | 10 | 9 | 8 | 8 | 14 | 17 | 16 | 15 | 9 | 8 | 7 | 8 |
18 | 14 | 13 | 13 | 13 | 14 | 17 | 16 | 15 | 15 | 13 | 11 | 12 |
19 | 25 | 23 | 19 | 19 | 16 | 19 | 18 | 17 | 22 | 19 | 19 | 22 |
20 | 25 | 23 | 18 | 19 | 15 | 18 | 17 | 16 | 21 | 19 | 19 | 22 |
21 | 24 | 22 | 16 | 17 | 14 | 17 | 16 | 15 | 19 | 17 | 18 | 21 |
22 | 20 | 18 | 15 | 16 | 12 | 15 | 14 | 13 | 18 | 16 | 15 | 17 |
23 | 17 | 15 | 15 | 15 | 9 | 11 | 11 | 10 | 17 | 15 | 12 | 14 |
Total | 257 | 232 | 208 | 214 | 220 | 272 | 259 | 240 | 237 | 211 | 192 | 221 |