| Category | Wave 1 (1993) | Wave 2 (1997) | Wave 3 (2000) | Wave 4 (2007) | Wave 5 (2014) |
|---|---|---|---|---|---|
| 0 to 4.9 years | 76 (4.62%) | 119 (4.89%) | 1.91 (4.96%) | 178 (3.97%) | 309 (5.74%) |
| 5 to 19.9 years | 332 (9.05%) | 800 (13.67%) | 1,026 (13.96%) | 967 (12.29%) | 1,793 (17.72%) |
| 20 to 49.9 years | 907 (10.58%) | 1,673 (14.87%) | 2,539 (13.51%) | 2,280 (11.67%) | 3,118 (14.32%) |