Value | Category | Cases | |
---|---|---|---|
1993 | 1 |
0.2%
|
|
1998 | 1 |
0.2%
|
|
1999 | 3 |
0.6%
|
|
2002 | 1 |
0.2%
|
|
2003 | 1 |
0.2%
|
|
2006 | 2 |
0.4%
|
|
2008 | 3 |
0.6%
|
|
2009 | 2 |
0.4%
|
|
2010 | 5 |
1%
|
|
2011 | 13 |
2.7%
|
|
2012 | 67 |
14%
|
|
2013 | 150 |
31.4%
|
|
9888 | don’t know year | 0 |
0%
|
9998 | DK | 55 |
11.5%
|
9999 | never travel year | 173 |
36.3%
|
Sysmiss | 10439 |