Value | Category | Cases | |
---|---|---|---|
2005 | 4 |
0%
|
|
2006 | 518 |
6.3%
|
|
2007 | 817 |
9.9%
|
|
2008 | 892 |
10.8%
|
|
2009 | 1044 |
12.7%
|
|
2010 | 884 |
10.7%
|
|
9997 | inconsistent | 18 |
0.2%
|
9998 | dk | 0 |
0%
|
10001 | .Z | 4055 |