| 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | |
|---|---|---|---|---|---|---|
| Total number | 24 060 | 22 622 | 20 915 | 17 814 | 14 735 | 13 045 |
| by age category | ||||||
| up to 2 years | 1 258 | 1 140 | 914 | 663 | 387 | 199 |
| 2 - 5 years | 5 575 | 3 665 | 2 321 | 1 643 | 1 219 | 966 |
| 5 - 10 years | 10 324 | 10 744 | 10 198 | 7 911 | 6 014 | 4 508 |
| over 10 years | 6 903 | 7 073 | 7 482 | 7 597 | 7 115 | 7 372 |
| by type of motor energy | ||||||
| petrol | 8 | 39 | 39 | 37 | 37 | 39 |
| diesel | 23 509 | 22 525 | 20 821 | 17 731 | 14 664 | 12 973 |
| electricity and other sources | 61 | 58 | 55 | 46 | 34 | 33 |
| not specified | 482 | 0 | 0 | 0 | 0 | 0 |
Source: CRV