Value | Category | Cases | |
---|---|---|---|
2005 | 4 |
0%
|
|
2006 | 521 |
6.3%
|
|
2007 | 818 |
9.9%
|
|
2008 | 896 |
10.9%
|
|
2009 | 1046 |
12.7%
|
|
2010 | 890 |
10.8%
|
|
9997 | inconsistent | 17 |
0.2%
|
9998 | dk | 0 |
0%
|
10001 | .Z | 4040 |