| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than one year | 17 |
0.5%
|
| 2 | 1-4 years | 137 |
3.7%
|
| 3 | 5-9 years | 392 |
10.5%
|
| 4 | 10-19 years | 1179 |
31.5%
|
| 5 | 20 years and more | 2014 |
53.9%
|