| Value | Category | Cases | |
|---|---|---|---|
| -3 | Missing | 103 |
10.3%
|
| 0 | None | 489 |
48.9%
|
| 1 | 1 Year | 189 |
18.9%
|
| 2 | 2 Years | 129 |
12.9%
|
| 3 | 3 Years | 22 |
2.2%
|
| 4 | 4 Years | 21 |
2.1%
|
| 5 | 5 Years | 21 |
2.1%
|
| 6 | 6 Years | 16 |
1.6%
|
| 7 | 7 Years | 3 |
0.3%
|
| 8 | 8 Years | 6 |
0.6%
|