| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 540 | 11.204,53 | 20,75 | 2 |
| 2007 | 406 | 11.555,33 | 28,46 | 3 |
| 2008 | 345 | 10.307,57 | 29,88 | 3 |
| 2009 | 454 | 13.738,08 | 30,26 | 5 |
| 2010 | 504 | 14.640,73 | 29,05 | 4 |
| 2011 | 285 | 7.824,78 | 27,46 | 4 |
| 2012 | 556 | 15.230,45 | 27,39 | 7 |
| 2013 | 699 | 18.242,46 | 26,10 | 10 |
| 2014 | 653 | 21.973,97 | 33,65 | 10 |
| 2015 | 718 | 23.671,23 | 32,97 | 11 |
| 2016 | 755 | 25.642,60 | 33,96 | 10 |
| 2017 | 1.095 | 34.157,36 | 31,19 | 11 |
| 2018 | 1.269 | 38.142,86 | 30,06 | 10 |
| 2019 | 1.387 | 38.641,68 | 27,86 | 10 |
| 2020 | 1.528 | 47.303,84 | 30,96 | 11 |
| 2021 | 1.384 | 44.172,21 | 31,92 | 12 |
| 2022 | 1.335 | 39.246,19 | 29,40 | 12 |
| 2023 | 1.273 | 36.471,04 | 28,65 | 13 |
| 2024 | 1.240 | 34.473,28 | 27,80 | 15 |
| totale | 16.426 | 486.640,19 | 29,63 | 163 |