| Value | Category | Cases | |
|---|---|---|---|
| 1 | This year | 548 |
42.3%
|
| 2 | Last year | 442 |
34.1%
|
| 3 | 2 years ago | 176 |
13.6%
|
| 4 | 2+ years ago | 129 |
10%
|
| Sysmiss | 144766 |