| Year | Passenger Cars | Buses | Light Commercial Vehicles |
|---|---|---|---|
| 2005 | 3.04 | 1.53 | 0.99 |
| 2006 | 3.3 | 1.63 | 1.16 |
| 2007 | 3.58 | 1.79 | 1.25 |
| 2008 | 3.95 | 1.84 | 1.35 |
| 2009 | 4.34 | 2.08 | 1.47 |
| 2010 | 4.68 | 2.21 | 1.35 |
| 2011 | 4.99 | 2.21 | 1.4 |
| 2012 | 5.3 | 2.08 | 1.41 |
| 2013 | 5.26 | 1.89 | 1.54 |
| 2014 | 5.44 | 1.93 | 1.62 |
| 2015 | 5.63 | 1.97 | 1.69 |