| 2011 | 2013 | 2015 | |
|---|---|---|---|
| Steiermark | 4.17 | 4.85 | 5.14 |
| Wien (AT13) | 3.56 | 3.54 | 3.62 |
| Oberösterreich | 2.46 | 3.14 | 3.15 |
| Kärnten | 2.74 | 2.83 | 3.12 |
| Tirol | 2.70 | 3.12 | 3.08 |
| Vorarlberg | 1.42 | 1.64 | 1.77 |
| Niederösterreich | 1.46 | 1.60 | 1.74 |
| Salzburg | 1.25 | 1.49 | 1.50 |
| Burgenland (AT) | 0.81 | 0.89 | 0.99 |