| Jan | Feb | March | April | May | June | July | Aug | Sept | Oct | Nov | Dec |
1 | 1006.4 | 1017.8 | | | | | | | | | | |
2 | 1008.4 | 1021.4 | | | | | | | | | | |
3 | 1006.5 | 1023.0 | | | | | | | | | | |
4 | 1018.3 | 1017.8 | | | | | | | | | | |
5 | 1010.9 | 1021.0 | | | | | | | | | | |
6 | 1009.6 | 1012.3 | | | | | | | | | | |
7 | 1010.4 | 1016.9 | | | | | | | | | | |
8 | 1008.5 | 1017.9 | | | | | | | | | | |
9 | 1016.7 | 1022.7 | | | | | | | | | | |
10 | 1018.0 | 1026.4 | | | | | | | | | | |
11 | 1017.0 | 1031.5 | | | | | | | | | | |
12 | 1013.7 | | | | | | | | | | | |
13 | 1013.7 | | | | | | | | | | | |
14 | 1016.9 | | | | | | | | | | | |
15 | 1016.2 | | | | | | | | | | | |
16 | 1020.2 | | | | | | | | | | | |
17 | 1020.7 | | | | | | | | | | | |
18 | 1020.0 | | | | | | | | | | | |
19 | 1017.2 | | | | | | | | | | | |
20 | 1018.5 | | | | | | | | | | | |
21 | 1015.4 | | | | | | | | | | | |
22 | 1013.2 | | | | | | | | | | | |
23 | 1005.4 | | | | | | | | | | | |
24 | 1017.8 | | | | | | | | | | | |
25 | 1019.4 | | | | | | | | | | | |
26 | 1012.5 | | | | | | | | | | | |
27 | 1026.1 | | | | | | | | | | | |
28 | 1032.4 | | | | | | | | | | | |
29 | 1022.7 | | | | | | | | | | | |
30 | 1014.6 | | | | | | | | | | | |
31 | 1015.7 | | | | | | | | | | | |
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