| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 274 | 3.395,25 | 12,39 | 4 |
| 2007 | 139 | 2.216,18 | 15,94 | 1 |
| 2008 | 340 | 5.880,23 | 17,29 | 2 |
| 2009 | 313 | 5.110,50 | 16,33 | 4 |
| 2010 | 301 | 4.309,18 | 14,32 | 3 |
| 2011 | 307 | 4.593,25 | 14,96 | 3 |
| 2012 | 379 | 6.583,79 | 17,37 | 7 |
| 2013 | 651 | 12.586,12 | 19,33 | 6 |
| 2014 | 673 | 14.129,62 | 20,99 | 5 |
| 2015 | 525 | 12.369,82 | 23,56 | 5 |
| 2016 | 623 | 16.671,59 | 26,76 | 5 |
| 2017 | 642 | 16.366,82 | 25,49 | 6 |
| 2018 | 565 | 15.642,42 | 27,69 | 6 |
| 2019 | 578 | 16.633,20 | 28,78 | 6 |
| 2020 | 757 | 19.777,39 | 26,13 | 6 |
| 2021 | 653 | 16.138,68 | 24,71 | 6 |
| 2022 | 590 | 14.880,15 | 25,22 | 6 |
| 2023 | 687 | 17.158,22 | 24,98 | 6 |
| 2024 | 544 | 13.761,86 | 25,30 | 6 |
| totale | 9.541 | 218.204,27 | 22,87 | 93 |