| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 64 | 1.379,24 | 21,55 | 1 |
| 2007 | 151 | 6.072,79 | 40,22 | 1 |
| 2008 | 501 | 17.748,69 | 35,43 | 1 |
| 2009 | 409 | 22.320,35 | 54,57 | 2 |
| 2010 | 539 | 16.348,95 | 30,33 | 2 |
| 2011 | 586 | 16.420,98 | 28,02 | 1 |
| 2012 | 710 | 67.557,70 | 95,15 | 2 |
| 2013 | 873 | 22.901,96 | 26,23 | 2 |
| 2014 | 905 | 31.363,05 | 34,66 | 2 |
| 2015 | 949 | 33.042,14 | 34,82 | 2 |
| 2016 | 939 | 33.597,30 | 35,78 | 2 |
| 2017 | 880 | 33.796,00 | 38,40 | 2 |
| 2018 | 859 | 34.716,90 | 40,42 | 2 |
| 2019 | 827 | 37.113,08 | 44,88 | 2 |
| 2020 | 770 | 29.560,65 | 38,39 | 2 |
| 2021 | 735 | 28.018,87 | 38,12 | 3 |
| 2022 | 687 | 26.554,79 | 38,65 | 3 |
| 2023 | 667 | 27.661,89 | 41,47 | 4 |
| 2024 | 656 | 22.894,17 | 34,90 | 4 |
| totale | 12.707 | 509.069,50 | 40,06 | 40 |