| Jan | Feb | March | April | May | June | July | Aug | Sept | Oct | Nov | Dec |
1 | 1001.9 | 1008.7 | | | | | | | | | | |
2 | 1001.5 | 1013.4 | | | | | | | | | | |
3 | 991.4 | 1011.5 | | | | | | | | | | |
4 | 998.7 | 1010.5 | | | | | | | | | | |
5 | 1002.8 | 1007.7 | | | | | | | | | | |
6 | 1003.0 | 1011.7 | | | | | | | | | | |
7 | 1002.2 | 1011.9 | | | | | | | | | | |
8 | 998.8 | 1011.9 | | | | | | | | | | |
9 | 1007.9 | 1011.9 | | | | | | | | | | |
10 | 1011.8 | 1017.4 | | | | | | | | | | |
11 | 1006.0 | 1024.3 | | | | | | | | | | |
12 | 1009.3 | | | | | | | | | | | |
13 | 1006.3 | | | | | | | | | | | |
14 | 1008.5 | | | | | | | | | | | |
15 | 1010.0 | | | | | | | | | | | |
16 | 1015.5 | | | | | | | | | | | |
17 | 1012.1 | | | | | | | | | | | |
18 | 1011.2 | | | | | | | | | | | |
19 | 1011.5 | | | | | | | | | | | |
20 | 1010.3 | | | | | | | | | | | |
21 | 1005.0 | | | | | | | | | | | |
22 | 1002.8 | | | | | | | | | | | |
23 | 994.7 | | | | | | | | | | | |
24 | 1001.3 | | | | | | | | | | | |
25 | 1006.9 | | | | | | | | | | | |
26 | 998.2 | | | | | | | | | | | |
27 | 1000.4 | | | | | | | | | | | |
28 | 1007.8 | | | | | | | | | | | |
29 | 1002.2 | | | | | | | | | | | |
30 | 1008.5 | | | | | | | | | | | |
31 | 1009.8 | | | | | | | | | | | |
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