

*Excludes Observations that span multiple months
B![]()  |     b![]()  |     t![]()  |     W![]()  |     w![]()  |     ||
|---|---|---|---|---|---|---|
| Jan | 0 | 0 | 0 | 0 | 22 | 22 | 
| Feb | 0 | 0 | 17 | 1 | 5 | 23 | 
| Mar | 0 | 1 | 27 | 0 | 0 | 28 | 
| Apr | 0 | 2 | 31 | 0 | 0 | 33 | 
| May | 18 | 95 | 67 | 0 | 0 | 180 | 
| Jun | 46 | 230 | 138 | 0 | 0 | 414 | 
| Jul | 24 | 43 | 248 | 0 | 0 | 315 | 
| Aug | 8 | 4 | 129 | 0 | 0 | 141 | 
| Sep | 0 | 0 | 104 | 0 | 0 | 104 | 
| Oct | 0 | 0 | 76 | 0 | 0 | 76 | 
| Nov | 0 | 0 | 44 | 0 | 0 | 44 | 
| Dec | 0 | 0 | 11 | 0 | 52 | 63 | 
| Total | 96 | 375 | 892 | 1 | 79 | 1443 |