| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 131 | 4.176,68 | 31,88 | 1 |
| 2007 | 103 | 3.012,23 | 29,24 | 3 |
| 2008 | 150 | 5.709,60 | 38,06 | 2 |
| 2009 | 222 | 7.523,18 | 33,89 | 3 |
| 2010 | 155 | 4.671,87 | 30,14 | 3 |
| 2011 | 88 | 2.477,59 | 28,15 | 1 |
| 2012 | 165 | 5.065,66 | 30,70 | 4 |
| 2013 | 154 | 4.786,67 | 31,08 | 4 |
| 2014 | 276 | 10.209,39 | 36,99 | 5 |
| 2015 | 422 | 16.486,11 | 39,07 | 6 |
| 2016 | 389 | 15.994,82 | 41,12 | 5 |
| 2017 | 430 | 18.593,91 | 43,24 | 8 |
| 2018 | 397 | 16.368,44 | 41,23 | 8 |
| 2019 | 404 | 15.293,47 | 37,86 | 8 |
| 2020 | 483 | 17.905,13 | 37,07 | 7 |
| 2021 | 437 | 16.214,94 | 37,11 | 7 |
| 2022 | 409 | 14.817,48 | 36,23 | 6 |
| 2023 | 411 | 14.770,60 | 35,94 | 9 |
| 2024 | 430 | 14.389,11 | 33,46 | 12 |
| totale | 5.656 | 208.466,88 | 36,86 | 102 |