| Value | Category | Cases | |
|---|---|---|---|
| 1 | January | 5 |
2.1%
|
| 2 | February | 1 |
0.4%
|
| 3 | March | 5 |
2.1%
|
| 4 | April | 11 |
4.6%
|
| 5 | May | 24 |
10.1%
|
| 6 | June | 96 |
40.5%
|
| 7 | July | 56 |
23.6%
|
| 8 | August | 26 |
11%
|
| 9 | September | 9 |
3.8%
|
| 10 | October | 3 |
1.3%
|
| 11 | November | 0 |
0%
|
| 12 | December | 1 |
0.4%
|
| Sysmiss | 1996 |