| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 1.007 | 33.021,35 | 32,79 | 4 |
| 2007 | 792 | 29.796,81 | 37,62 | 6 |
| 2008 | 711 | 27.574,57 | 38,78 | 5 |
| 2009 | 786 | 32.653,24 | 41,54 | 6 |
| 2010 | 953 | 34.024,28 | 35,70 | 8 |
| 2011 | 784 | 25.357,59 | 32,34 | 6 |
| 2012 | 897 | 32.387,93 | 36,11 | 10 |
| 2013 | 973 | 32.504,66 | 33,41 | 9 |
| 2014 | 945 | 39.520,65 | 41,82 | 9 |
| 2015 | 1.017 | 43.618,08 | 42,89 | 10 |
| 2016 | 978 | 41.359,76 | 42,29 | 9 |
| 2017 | 1.020 | 45.029,59 | 44,15 | 10 |
| 2018 | 962 | 46.039,53 | 47,86 | 10 |
| 2019 | 936 | 41.075,52 | 43,88 | 11 |
| 2020 | 885 | 40.452,64 | 45,71 | 11 |
| 2021 | 872 | 35.606,08 | 40,83 | 11 |
| 2022 | 749 | 28.994,48 | 38,71 | 11 |
| 2023 | 753 | 31.988,24 | 42,48 | 12 |
| 2024 | 793 | 37.381,36 | 47,14 | 14 |
| totale | 16.813 | 678.386,36 | 40,35 | 172 |