| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 902 | 21.673,00 | 24,03 | 3 |
| 2007 | 790 | 21.461,46 | 27,17 | 2 |
| 2008 | 921 | 23.865,73 | 25,91 | 2 |
| 2009 | 1.081 | 28.774,09 | 26,62 | 3 |
| 2010 | 1.141 | 25.024,02 | 21,93 | 3 |
| 2011 | 1.254 | 27.433,41 | 21,88 | 5 |
| 2012 | 1.360 | 31.510,22 | 23,17 | 4 |
| 2013 | 1.399 | 30.567,56 | 21,85 | 5 |
| 2014 | 1.344 | 38.320,57 | 28,51 | 4 |
| 2015 | 1.297 | 36.239,78 | 27,94 | 5 |
| 2016 | 1.273 | 36.863,56 | 28,96 | 4 |
| 2017 | 1.427 | 41.834,65 | 29,32 | 6 |
| 2018 | 1.445 | 41.574,78 | 28,77 | 8 |
| 2019 | 1.566 | 45.544,10 | 29,08 | 9 |
| 2020 | 1.756 | 53.827,53 | 30,65 | 10 |
| 2021 | 1.633 | 49.008,58 | 30,01 | 11 |
| 2022 | 1.524 | 46.308,46 | 30,39 | 9 |
| 2023 | 1.528 | 46.400,96 | 30,37 | 10 |
| 2024 | 1.522 | 44.789,20 | 29,43 | 10 |
| totale | 25.163 | 691.021,66 | 27,46 | 113 |