| Value | Category |
|---|---|
| 0 | wrong code |
| 1 | Yes |
| 10 | Wrong code |
| 1991 | Wrong code |
| 1992 | Wrong code |
| 1994 | Wrong code |
| 1995 | Wrong code |
| 2 | No |
| 2000 | Wrong code |
| 2001 | Wrong code |
| 2004 | Wrong code |
| 2005 | Wrong code |
| 2006 | Wrong code |
| 2008 | Wrong code |
| 2009 | Wrong code |
| 2010 | Wrong code |
| 2011 | Wrong code |
| 2012 | Wrong code |
| 28 | Wrong code |
| 3 | Wrong code |
| 4 | Wrong code |
| 6 | Wrong code |
| 7 | Wrong code |
| 8 | Wrong code |
| 9 | Not stated |
| 99 | Wrong code |
| 9999 | Wrong code |