| Value | Category | Cases | |
|---|---|---|---|
| 0 | Less than 1 year | 16893 |
3.2%
|
| 1 | Completed 1 year | 25702 |
4.8%
|
| 2 | Completed 2 years | 34400 |
6.5%
|
| 3 | Completed 3 years | 35454 |
6.7%
|
| 4 | Completed 4 years | 27745 |
5.2%
|
| 5 | Completed 5 years | 49865 |
9.4%
|
| 6 | Completed 6 years | 21627 |
4.1%
|
| 7 | Completed 7 years | 16066 |
3%
|
| 8 | Completed 8 years | 16473 |
3.1%
|
| 9 | Completed 9 years or more | 286873 |
54%
|