| Model | Mean response time zones (%) | ||
| Under 2 minutes | 2 - 5 minutes | Over 5 minutes | |
| TTW | 146,015 (44.7) | 166,909 (51.1) | 13,209 (4.05) |
| Residential | 238,374 (24.3) | 735,524 (75.0) | 6430 (0.65) |