| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 302 | 5.867,53 | 19,43 | 2 |
| 2007 | 34 | 787,58 | 23,16 | 1 |
| 2008 | 38 | 2.750,85 | 72,39 | 2 |
| 2009 | 132 | 2.977,18 | 22,55 | 4 |
| 2010 | 277 | 6.074,74 | 21,93 | 3 |
| 2011 | 176 | 3.328,14 | 18,91 | 1 |
| 2012 | 303 | 6.624,09 | 21,86 | 3 |
| 2013 | 308 | 6.406,24 | 20,80 | 2 |
| 2014 | 355 | 8.919,76 | 25,13 | 4 |
| 2015 | 341 | 8.899,63 | 26,10 | 4 |
| 2016 | 383 | 9.463,14 | 24,71 | 5 |
| 2017 | 434 | 10.790,90 | 24,86 | 6 |
| 2018 | 446 | 12.859,67 | 28,83 | 7 |
| 2019 | 429 | 11.624,29 | 27,10 | 7 |
| 2020 | 405 | 12.079,64 | 29,83 | 7 |
| 2021 | 423 | 12.440,28 | 29,41 | 7 |
| 2022 | 446 | 14.019,90 | 31,43 | 8 |
| 2023 | 439 | 12.915,14 | 29,42 | 8 |
| 2024 | 448 | 13.565,43 | 30,28 | 10 |
| totale | 6.119 | 162.394,13 | 26,54 | 91 |