| Value | Category | Cases | |
|---|---|---|---|
| 2001 | 49 |
22.8%
|
|
| 2002 | 142 |
66%
|
|
| 2007 | NZ | 0 |
0%
|
| 2008 | BO | 0 |
0%
|
| 7777 | NZ | 0 |
0%
|
| 8888 | BO | 24 |
11.2%
|
| Sysmiss | 7315 |