| Value | Category | Cases | |
|---|---|---|---|
| 4 | 1 |
0%
|
|
| 5 | 2 |
0.1%
|
|
| 6 | 3 |
0.1%
|
|
| 7 | 3 |
0.1%
|
|
| 2007 | 1 |
0%
|
|
| 2012 | 12 |
0.6%
|
|
| 2013 | 2127 |
99%
|
|
| Sysmiss | 6393 |