| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2018–2022 (0–5 years) | 40 |
4%
|
| 2 | 2013–2017 (6–10 years) | 76 |
7.6%
|
| 3 | 2003–2012 (11–20 years) | 168 |
16.8%
|
| 4 | 1993–2002 (21–30 years) | 145 |
14.5%
|
| 5 | 1983–1992 (31–40 years) | 132 |
13.2%
|
| 6 | 1973–1982 (41–50 years) | 129 |
12.9%
|
| 7 | 1951–1973 (51–70 years) | 64 |
6.4%
|
| 8 | Prior to 1951 | 15 |
1.5%
|
| 9 | DO NOT KNOW | 231 |
23.1%
|