| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 38 | 934,18 | 24,58 | 2 |
| 2007 | 11 | 236,86 | 21,53 | 1 |
| 2008 | 15 | 361,00 | 24,07 | 2 |
| 2009 | 40 | 1.053,26 | 26,33 | 2 |
| 2010 | 31 | 561,31 | 18,11 | 3 |
| 2011 | 7 | 129,86 | 18,55 | 1 |
| 2012 | 28 | 614,46 | 21,95 | 2 |
| 2013 | 29 | 575,64 | 19,85 | 3 |
| 2014 | 24 | 708,89 | 29,54 | 3 |
| 2015 | 30 | 642,09 | 21,40 | 3 |
| 2016 | 41 | 1.002,89 | 24,46 | 3 |
| 2017 | 37 | 901,11 | 24,35 | 3 |
| 2018 | 47 | 1.164,15 | 24,77 | 3 |
| 2019 | 33 | 809,80 | 24,54 | 3 |
| 2020 | 28 | 796,75 | 28,46 | 3 |
| 2021 | 29 | 633,34 | 21,84 | 2 |
| 2022 | 44 | 975,22 | 22,16 | 2 |
| 2023 | 39 | 904,96 | 23,20 | 2 |
| 2024 | 37 | 743,76 | 20,10 | 2 |
| totale | 588 | 13.749,53 | 23,38 | 45 |