| Value | Category | Cases | |
|---|---|---|---|
| 1 | January | 1971 |
8.4%
|
| 2 | February | 2075 |
8.9%
|
| 3 | March | 1970 |
8.4%
|
| 4 | April | 1960 |
8.4%
|
| 5 | May | 1994 |
8.5%
|
| 6 | June | 1998 |
8.5%
|
| 7 | July | 1870 |
8%
|
| 8 | August | 1898 |
8.1%
|
| 9 | September | 1984 |
8.5%
|
| 10 | October | 1889 |
8.1%
|
| 11 | November | 1859 |
7.9%
|
| 12 | December | 1947 |
8.3%
|