| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3 |
1.1%
|
|
| 1 | 9 |
3.4%
|
|
| 2 | 3 |
1.1%
|
|
| 3 | 1 |
0.4%
|
|
| 4 | 4 |
1.5%
|
|
| 5 | 3 |
1.1%
|
|
| 6 | 1 |
0.4%
|
|
| 7 | 7 |
2.6%
|
|
| 8 | 25 |
9.4%
|
|
| 9 | 10 |
3.7%
|
|
| 28 | 1 |
0.4%
|
|
| 98 | 98. Don't know | 1 |
0.4%
|
| 1998 | 2 |
0.7%
|
|
| 2000 | 1 |
0.4%
|
|
| 2001 | 2 |
0.7%
|
|
| 2002 | 1 |
0.4%
|
|
| 2003 | 2 |
0.7%
|
|
| 2004 | 1 |
0.4%
|
|
| 2005 | 3 |
1.1%
|
|
| 2006 | 8 |
3%
|
|
| 2007 | 21 |
7.9%
|
|
| 2008 | 90 |
33.7%
|
|
| 2009 | 65 |
24.3%
|
|
| 9998 | 9998. Don't know | 3 |
1.1%
|
| Sysmiss | 40 |