| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 388 | 6.478,22 | 16,70 | 2 |
| 2007 | 233 | 5.404,37 | 23,19 | 3 |
| 2008 | 211 | 4.908,37 | 23,26 | 3 |
| 2009 | 94 | 2.068,18 | 22,00 | 1 |
| 2010 | 252 | 4.856,19 | 19,27 | 3 |
| 2011 | 138 | 2.365,41 | 17,14 | 2 |
| 2012 | 240 | 5.177,21 | 21,57 | 5 |
| 2013 | 263 | 5.578,82 | 21,21 | 6 |
| 2014 | 271 | 6.989,92 | 25,79 | 6 |
| 2015 | 378 | 12.787,88 | 33,83 | 7 |
| 2016 | 607 | 19.219,08 | 31,66 | 9 |
| 2017 | 540 | 20.399,43 | 37,78 | 9 |
| 2018 | 512 | 19.279,13 | 37,65 | 9 |
| 2019 | 529 | 18.183,52 | 34,37 | 6 |
| 2020 | 577 | 24.118,81 | 41,80 | 7 |
| 2021 | 529 | 17.523,73 | 33,13 | 6 |
| 2022 | 572 | 19.135,80 | 33,45 | 6 |
| 2023 | 588 | 19.457,78 | 33,09 | 7 |
| 2024 | 540 | 17.187,73 | 31,83 | 5 |
| totale | 7.462 | 231.119,58 | 30,97 | 102 |