| Value | Category | Cases | |
|---|---|---|---|
| 7 | 1 |
0.2%
|
|
| 1984 | 1 |
0.2%
|
|
| 1997 | 2 |
0.4%
|
|
| 1998 | 1 |
0.2%
|
|
| 2001 | 3 |
0.6%
|
|
| 2002 | 132 |
27.8%
|
|
| 2003 | 324 |
68.2%
|
|
| 7777 | NZ | 9 |
1.9%
|
| 8888 | BO | 2 |
0.4%
|
| Sysmiss | 9254 |