Value | Category | Cases | |
---|---|---|---|
0 | none | 0 |
0%
|
777 | n\a | 0 |
0%
|
999 | missing | 0 |
0%
|
1995 | 1 |
1.5%
|
|
1998 | 1 |
1.5%
|
|
1999 | 2 |
2.9%
|
|
2003 | 7 |
10.3%
|
|
2004 | 2 |
2.9%
|
|
2005 | 1 |
1.5%
|
|
2006 | 3 |
4.4%
|
|
2007 | 6 |
8.8%
|
|
2008 | 14 |
20.6%
|
|
2009 | 30 |
44.1%
|
|
200911 | 1 |
1.5%
|
|
Sysmiss | 2 |