| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 660 | 15.331,92 | 23,23 | 3 |
| 2007 | 541 | 14.353,79 | 26,53 | 2 |
| 2008 | 573 | 16.172,29 | 28,22 | 2 |
| 2009 | 607 | 16.307,64 | 26,87 | 3 |
| 2010 | 658 | 16.509,91 | 25,09 | 3 |
| 2011 | 749 | 18.437,33 | 24,62 | 2 |
| 2012 | 728 | 19.542,45 | 26,84 | 3 |
| 2013 | 810 | 19.365,45 | 23,91 | 3 |
| 2014 | 815 | 23.599,50 | 28,96 | 3 |
| 2015 | 783 | 23.411,70 | 29,90 | 3 |
| 2016 | 697 | 21.048,96 | 30,20 | 3 |
| 2017 | 646 | 20.198,68 | 31,27 | 3 |
| 2018 | 622 | 19.081,11 | 30,68 | 3 |
| 2019 | 607 | 18.932,39 | 31,19 | 3 |
| 2020 | 572 | 18.125,72 | 31,69 | 3 |
| 2021 | 560 | 17.783,42 | 31,76 | 4 |
| 2022 | 533 | 17.237,34 | 32,34 | 4 |
| 2023 | 514 | 15.274,24 | 29,72 | 5 |
| 2024 | 541 | 15.963,00 | 29,51 | 7 |
| totale | 12.216 | 346.676,84 | 28,38 | 62 |