| Date | B. C. | Metro Area | Tijuana | Tecate | Rosarito | Ensenada | San Quintin | Mexicali | San Felipe |
|---|---|---|---|---|---|---|---|---|---|
| 2010 | 28.10 | 30.67 | 27.60 | 27.00 | 37.40 | 29.90 | - | 27.30 | - |
| 2015 | 27.10 | 29.17 | 27.60 | 24.90 | 35.00 | 30.00 | - | 23.90 | - |
| 2016 | 21.60 | - | - | - | - | - | - | - | - |
| 2018 | 22.20 | - | - | - | - | - | - | - | - |
| 2020 | 21.00 | 23.60 | 21.80 | 19.90 | 29.10 | 20.20 | 31.10 | 19.10 | - |
| 2022 | 12.10 | - | - | - | - | - | - | - | - |
| 2024 | 9.52 | - | - | - | - | - | - | - | - |
Source:
Notes: