| Value | Category | Cases | |
|---|---|---|---|
| 2000 | 1 |
1.1%
|
|
| 2001 | 1 |
1.1%
|
|
| 2002 | 65 |
71.4%
|
|
| 7777 | NZ | 1 |
1.1%
|
| 8888 | BO | 23 |
25.3%
|
| Sysmiss | 7439 |