Value | Category | Cases | |
---|---|---|---|
0 | <12 months | 300 |
3.6%
|
1 | 1 year | 168 |
2%
|
2 | 2 years | 489 |
5.9%
|
3 | 3 years | 677 |
8.2%
|
4 | 4 years | 420 |
5.1%
|
5 | 5 years | 812 |
9.9%
|
6 | 6+ years | 373 |
4.5%
|
7 | non-numeric | 25 |
0.3%
|
8 | don't know | 235 |
2.9%
|
11 | .Z | 4733 |