| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 1 year | 1395 |
10.3%
|
| 2 | About 1 year | 1328 |
9.9%
|
| 3 | About 2 years | 1492 |
11.1%
|
| 4 | About 3 years | 3112 |
23.1%
|
| 5 | About 4-5 years | 3395 |
25.2%
|
| 6 | About 6-7 years | 1349 |
10%
|
| 7 | About 8-9 years | 838 |
6.2%
|
| 8 | 10 years or more | 571 |
4.2%
|
| 2147483622 | Not applicable | 0 |
0%
|
| 2147483623 | Refusal | 0 |
0%
|
| 2147483624 | Don't know | 0 |
0%
|
| 2147483625 | No answer | 0 |
0%
|
| 11 | .D | 38978 |