| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 967 | 35.909,99 | 37,14 | 6 |
| 2007 | 546 | 23.777,61 | 43,55 | 5 |
| 2008 | 592 | 28.733,05 | 48,54 | 5 |
| 2009 | 689 | 26.672,45 | 38,71 | 6 |
| 2010 | 691 | 25.274,88 | 36,58 | 7 |
| 2011 | 630 | 21.831,34 | 34,65 | 6 |
| 2012 | 717 | 25.020,34 | 34,90 | 6 |
| 2013 | 892 | 29.077,48 | 32,60 | 7 |
| 2014 | 918 | 41.131,80 | 44,81 | 8 |
| 2015 | 912 | 40.785,16 | 44,72 | 8 |
| 2016 | 813 | 40.354,06 | 49,64 | 8 |
| 2017 | 828 | 39.259,84 | 47,42 | 8 |
| 2018 | 776 | 37.685,74 | 48,56 | 8 |
| 2019 | 722 | 32.777,35 | 45,40 | 8 |
| 2020 | 662 | 33.103,11 | 50,00 | 8 |
| 2021 | 509 | 17.661,95 | 34,70 | 7 |
| 2022 | 375 | 12.361,67 | 32,96 | 5 |
| 2023 | 344 | 11.735,48 | 34,11 | 7 |
| 2024 | 472 | 17.122,82 | 36,28 | 10 |
| totale | 13.055 | 540.276,12 | 41,38 | 133 |