| Value | Category | Cases | |
|---|---|---|---|
| 0 | Less than 1 year | 15035 |
2.5%
|
| 1 | Completed 1 year | 28727 |
4.8%
|
| 2 | Completed 2 years | 46666 |
7.9%
|
| 3 | Completed 3 years | 53683 |
9.1%
|
| 4 | Completed 4 years | 45232 |
7.6%
|
| 5 | Completed 5 years | 62291 |
10.5%
|
| 6 | Completed 6 years | 36953 |
6.2%
|
| 7 | Completed 7 years | 27503 |
4.6%
|
| 8 | Completed 8 years | 22459 |
3.8%
|
| 9 | Completed 9 years or more | 254620 |
42.9%
|