| up to 25 | 4 | 10.8% |
10.8%
|
| from 25 to 40 | 2 | 5.4% |
5.4%
|
| from 40 to 45 | 8 | 21.6% |
21.6%
|
| from 45 to 50 | 2 | 5.4% |
5.4%
|
| over 50 | 21 | 56.8% |
56.8%
|
|
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