Value | Category | Cases | |
---|---|---|---|
2009 | 2 |
4.9%
|
|
2011 | 4 |
9.8%
|
|
2012 | 5 |
12.2%
|
|
2013 | 11 |
26.8%
|
|
9888 | don’t know year | 0 |
0%
|
9998 | 5 |
12.2%
|
|
9999 | never travel year | 14 |
34.1%
|
Sysmiss | 10875 |