| < 20 |  0.0% |
| 20-24 |  1.1% |
| 25-29 |  0.5% |
| 30-34 |  2.7% |
| 35-39 |  10.4% |
| 40-44 |  8.2% |
| 45-49 |  8.8% |
| 50-54 |  11.5% |
| 55-59 |  12.6% |
| 60-64 |  14.3% |
| 65-69 |  14.3% |
| 70-80 | 8.2% |
| Over 80 |  1.6% |
| It is not polite to ask for the age | 5.5% |
