| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 1.327 | 36.267,78 | 27,33 | 2 |
| 2007 | 673 | 21.385,38 | 31,78 | 3 |
| 2008 | 535 | 17.358,31 | 32,45 | 3 |
| 2009 | 828 | 25.244,24 | 30,49 | 4 |
| 2010 | 699 | 19.283,30 | 27,59 | 6 |
| 2011 | 388 | 12.128,43 | 31,26 | 3 |
| 2012 | 291 | 6.065,18 | 20,84 | 4 |
| 2013 | 505 | 11.903,00 | 23,57 | 5 |
| 2014 | 534 | 16.109,98 | 30,17 | 6 |
| 2015 | 518 | 17.197,88 | 33,20 | 9 |
| 2016 | 622 | 19.686,23 | 31,65 | 7 |
| 2017 | 704 | 22.644,02 | 32,16 | 12 |
| 2018 | 785 | 25.455,81 | 32,43 | 13 |
| 2019 | 757 | 26.155,31 | 34,55 | 13 |
| 2020 | 688 | 22.751,31 | 33,07 | 13 |
| 2021 | 614 | 19.262,08 | 31,37 | 13 |
| 2022 | 562 | 18.557,58 | 33,02 | 12 |
| 2023 | 509 | 17.276,28 | 33,94 | 13 |
| 2024 | 521 | 16.444,71 | 31,56 | 15 |
| totale | 12.060 | 371.176,81 | 30,78 | 156 |