(HH4CYEAR07)
| Value | Category | Cases | |
|---|---|---|---|
| 1999 | 2 |
7.7%
|
|
| 2000 | 3 |
11.5%
|
|
| 2001 | 5 |
19.2%
|
|
| 2002 | 15 |
57.7%
|
|
| 2003 | 1 |
3.8%
|
|
| Sysmiss | 4771 |