| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 435 | 8.263,42 | 19,00 | 2 |
| 2007 | 501 | 12.157,53 | 24,27 | 3 |
| 2008 | 781 | 18.549,14 | 23,75 | 4 |
| 2009 | 781 | 20.017,08 | 25,63 | 5 |
| 2010 | 872 | 18.102,12 | 20,76 | 7 |
| 2011 | 947 | 19.766,22 | 20,87 | 5 |
| 2012 | 712 | 16.029,31 | 22,51 | 7 |
| 2013 | 791 | 15.980,12 | 20,20 | 7 |
| 2014 | 777 | 18.689,95 | 24,05 | 7 |
| 2015 | 798 | 20.115,58 | 25,21 | 8 |
| 2016 | 714 | 20.133,85 | 28,20 | 7 |
| 2017 | 677 | 18.634,56 | 27,53 | 6 |
| 2018 | 667 | 16.262,04 | 24,38 | 6 |
| 2019 | 626 | 15.042,14 | 24,03 | 7 |
| 2020 | 589 | 14.869,33 | 25,25 | 7 |
| 2021 | 550 | 13.031,95 | 23,69 | 7 |
| 2022 | 432 | 9.736,25 | 22,54 | 4 |
| 2023 | 479 | 11.441,04 | 23,89 | 6 |
| 2024 | 486 | 11.398,03 | 23,45 | 6 |
| totale | 12.615 | 298.219,66 | 23,64 | 111 |