| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 322 | 6.181,81 | 19,20 | 2 |
| 2007 | 219 | 6.101,43 | 27,86 | 1 |
| 2008 | 232 | 5.976,24 | 25,76 | 1 |
| 2009 | 266 | 6.527,34 | 24,54 | 4 |
| 2010 | 304 | 7.085,50 | 23,31 | 4 |
| 2011 | 80 | 2.060,93 | 25,76 | 3 |
| 2012 | 457 | 9.829,98 | 21,51 | 5 |
| 2013 | 538 | 11.492,80 | 21,36 | 5 |
| 2014 | 474 | 12.950,77 | 27,32 | 3 |
| 2015 | 507 | 13.773,92 | 27,17 | 5 |
| 2016 | 516 | 14.282,79 | 27,68 | 6 |
| 2017 | 557 | 14.285,48 | 25,65 | 4 |
| 2018 | 626 | 17.754,02 | 28,36 | 7 |
| 2019 | 685 | 18.085,32 | 26,40 | 8 |
| 2020 | 701 | 20.406,39 | 29,11 | 8 |
| 2021 | 715 | 18.009,42 | 25,19 | 7 |
| 2022 | 709 | 18.747,96 | 26,44 | 7 |
| 2023 | 663 | 17.468,66 | 26,35 | 7 |
| 2024 | 615 | 14.760,00 | 24,00 | 8 |
| totale | 9.186 | 235.780,76 | 25,67 | 95 |