| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than a year | 0 |
0%
|
| 2 | Between 1-5 years | 0 |
0%
|
| 3 | Between 6-10 years | 1 |
33.3%
|
| 4 | More than 10 years | 2 |
66.7%
|
| 2147483625 | Don’t know | 0 |
0%
|
| 2147483639 | Refuse to answer | 0 |
0%
|
| 11 | .R | 4 | |
| Sysmiss | 2678 |