| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 |
0%
|
|
| 2 | 1 |
0%
|
|
| 12 | 1 |
0%
|
|
| 2000 | 1 |
0%
|
|
| 2004 | 1 |
0%
|
|
| 2007 | 1 |
0%
|
|
| 2008 | 19 |
0.5%
|
|
| 2009 | 3081 |
88.3%
|
|
| 2010 | 384 |
11%
|
|
| Sysmiss | 195 |