| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 455 | 9.071,59 | 19,94 | 1 |
| 2009 | 107 | 1.740,45 | 16,27 | 2 |
| 2010 | 273 | 4.522,01 | 16,56 | 2 |
| 2011 | 34 | 663,60 | 19,52 | 1 |
| 2012 | 534 | 7.513,43 | 14,07 | 2 |
| 2013 | 562 | 7.668,35 | 13,64 | 2 |
| 2014 | 527 | 10.126,07 | 19,21 | 2 |
| 2015 | 527 | 10.305,66 | 19,56 | 2 |
| 2016 | 577 | 11.484,14 | 19,90 | 3 |
| 2017 | 656 | 13.288,94 | 20,26 | 2 |
| 2018 | 592 | 12.326,20 | 20,82 | 3 |
| 2019 | 579 | 11.912,74 | 20,57 | 3 |
| 2020 | 566 | 11.896,00 | 21,02 | 4 |
| 2021 | 518 | 10.978,66 | 21,19 | 4 |
| 2022 | 530 | 11.784,98 | 22,24 | 4 |
| 2023 | 479 | 10.980,37 | 22,92 | 4 |
| 2024 | 452 | 9.184,91 | 20,32 | 4 |
| totale | 7.968 | 155.448,10 | 19,51 | 45 |