| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 6.641 | 206.106,22 | 31,04 | 12 |
| 2007 | 14.431 | 468.016,72 | 32,43 | 15 |
| 2008 | 15.093 | 496.804,10 | 32,92 | 14 |
| 2009 | 14.292 | 459.535,95 | 32,15 | 16 |
| 2010 | 14.854 | 410.150,27 | 27,61 | 18 |
| 2011 | 14.237 | 397.761,27 | 27,94 | 15 |
| 2012 | 13.885 | 401.545,31 | 28,92 | 17 |
| 2013 | 15.065 | 394.424,14 | 26,18 | 19 |
| 2014 | 14.435 | 469.273,95 | 32,51 | 21 |
| 2015 | 14.191 | 465.014,02 | 32,77 | 21 |
| 2016 | 14.622 | 480.397,35 | 32,85 | 24 |
| 2017 | 14.135 | 475.898,50 | 33,67 | 24 |
| 2018 | 13.974 | 474.626,15 | 33,96 | 26 |
| 2019 | 13.892 | 465.672,77 | 33,52 | 25 |
| 2020 | 12.953 | 464.583,39 | 35,87 | 25 |
| 2021 | 12.086 | 445.394,68 | 36,85 | 24 |
| 2022 | 11.810 | 437.430,58 | 37,04 | 24 |
| 2023 | 11.770 | 413.600,48 | 35,14 | 22 |
| 2024 | 11.785 | 399.503,04 | 33,90 | 24 |
| totale | 254.151 | 8.225.738,89 | 32,37 | 386 |