| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 416 | 7.391,71 | 17,77 | 2 |
| 2007 | 296 | 7.069,42 | 23,88 | 1 |
| 2008 | 386 | 10.260,05 | 26,58 | 2 |
| 2009 | 586 | 15.148,85 | 25,85 | 5 |
| 2010 | 661 | 13.768,65 | 20,83 | 4 |
| 2011 | 539 | 11.091,50 | 20,58 | 4 |
| 2012 | 429 | 9.158,14 | 21,35 | 5 |
| 2013 | 615 | 11.457,70 | 18,63 | 6 |
| 2014 | 667 | 15.601,88 | 23,39 | 6 |
| 2015 | 671 | 15.560,23 | 23,19 | 6 |
| 2016 | 636 | 15.187,00 | 23,88 | 6 |
| 2017 | 588 | 14.066,61 | 23,92 | 6 |
| 2018 | 664 | 15.361,19 | 23,13 | 6 |
| 2019 | 564 | 12.891,15 | 22,86 | 6 |
| 2020 | 591 | 13.778,65 | 23,31 | 6 |
| 2021 | 558 | 13.213,40 | 23,68 | 7 |
| 2022 | 546 | 13.962,56 | 25,57 | 7 |
| 2023 | 515 | 12.020,17 | 23,34 | 6 |
| 2024 | 485 | 12.310,82 | 25,38 | 9 |
| totale | 10.413 | 239.299,68 | 22,98 | 100 |