Rates of submersions by housing type
| Indicator | Single-family residences | Multifamily residences | Ratio of multifamily to single-family |
|---|---|---|---|
| Submersions (2003–2007) | 108 | 94 | – |
| Annual average | 21.60 | 18.80 | 0.87 |
| Children 0–17 (2005–2009) | 849 133 | 279 285 | 0.33 |
| Approximate annual submersions per 100 000 children 0–17 by housing type | 2.54 | 6.73 | 2.65 |
| Buildings (2005–2006) | 875 461 | 50 679 | 0.06 |
| Pool locations (2005) | 59 914 | 1858 | 0.03 |
| Percentage of buildings with pools | 6.84 | 3.67 | 0.54 |
| Annual submersions per 10 000 pool locations | 3.61 | 101.18 | 28.03 |