| Value | Category | Cases | |
|---|---|---|---|
| 0 | less than 1 year | 165 |
1.1%
|
| 1 | 750 |
4.8%
|
|
| 2 | 1617 |
10.4%
|
|
| 3 | 1841 |
11.8%
|
|
| 4 | 1976 |
12.7%
|
|
| 5 | 1726 |
11.1%
|
|
| 6 | 1461 |
9.4%
|
|
| 7 | 1546 |
9.9%
|
|
| 8 | 1315 |
8.5%
|
|
| 9 | 1247 |
8%
|
|
| 10 | 600 |
3.9%
|
|
| 11 | 526 |
3.4%
|
|
| 12 | 779 |
5%
|
|
| 99 | 2 |
0%
|
|
| 101 | .Z | 3203 |