| Value | Category | Cases | |
|---|---|---|---|
| 0 | ***Undefined Label | 0 |
0%
|
| 1988 | 1 |
0%
|
|
| 2000 | 1 |
0%
|
|
| 2001 | 3 |
0.1%
|
|
| 2004 | 2 |
0.1%
|
|
| 2005 | 1 |
0%
|
|
| 2006 | 5 |
0.2%
|
|
| 2007 | 271 |
10.5%
|
|
| 2008 | 1716 |
66.5%
|
|
| 2009 | 580 |
22.5%
|
|
| Sysmiss | 693 |