| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 360 | 5.904,98 | 16,40 | 4 |
| 2007 | 503 | 14.496,28 | 28,82 | 2 |
| 2008 | 488 | 20.568,85 | 42,15 | 1 |
| 2009 | 681 | 23.318,68 | 34,24 | 2 |
| 2010 | 896 | 28.219,95 | 31,50 | 3 |
| 2011 | 603 | 17.850,67 | 29,60 | 1 |
| 2012 | 887 | 19.028,46 | 21,45 | 3 |
| 2013 | 820 | 15.325,99 | 18,69 | 3 |
| 2014 | 772 | 18.576,20 | 24,06 | 5 |
| 2015 | 148 | 2.592,09 | 17,51 | 1 |
| 2016 | 506 | 12.384,11 | 24,47 | 4 |
| 2017 | 451 | 10.301,57 | 22,84 | 4 |
| 2018 | 463 | 12.458,43 | 26,91 | 5 |
| 2019 | 475 | 12.470,79 | 26,25 | 5 |
| 2020 | 433 | 12.253,76 | 28,30 | 6 |
| 2021 | 392 | 11.055,41 | 28,20 | 6 |
| 2022 | 371 | 10.892,37 | 29,36 | 6 |
| 2023 | 354 | 10.687,48 | 30,19 | 7 |
| 2024 | 342 | 8.891,70 | 26,00 | 9 |
| totale | 9.945 | 267.277,77 | 26,88 | 77 |