2/28: 193
3/31: 186.4
4/30: 185
5/31: 188.4
6/30: 187.6
7/31: 188.8
8/31: 182.8
9/30: 182.4

01: 180.8
02: 182.4
03: 181.6
04: 180.8
05: 180.4
06: 181.6
07: 181.8
08: 183.8
09: 183.6
10: 183.6
11: 182.6
12: 182
13: 180.6
14: 180.6
15: 180.2
16: 180.8
17: 180.4
18: 181.2
19: 181.4
20: 181.4
21: 179.8