| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 181 | 3.233,06 | 17,86 | 1 |
| 2007 | 419 | 6.277,86 | 14,98 | 2 |
| 2008 | 449 | 8.693,78 | 19,36 | 3 |
| 2009 | 400 | 10.537,93 | 26,34 | 6 |
| 2010 | 462 | 10.757,44 | 23,28 | 7 |
| 2011 | 310 | 7.718,77 | 24,90 | 4 |
| 2012 | 795 | 17.624,97 | 22,17 | 8 |
| 2013 | 811 | 16.919,50 | 20,86 | 11 |
| 2014 | 543 | 14.534,26 | 26,77 | 8 |
| 2015 | 528 | 12.898,83 | 24,43 | 7 |
| 2016 | 529 | 13.511,26 | 25,54 | 7 |
| 2017 | 615 | 16.197,30 | 26,34 | 6 |
| 2018 | 754 | 17.616,24 | 23,36 | 7 |
| 2019 | 583 | 15.456,78 | 26,51 | 8 |
| 2020 | 601 | 15.439,25 | 25,69 | 8 |
| 2021 | 483 | 13.085,15 | 27,09 | 7 |
| 2022 | 387 | 10.449,19 | 27,00 | 8 |
| 2023 | 460 | 9.608,43 | 20,89 | 10 |
| 2024 | 479 | 10.225,26 | 21,35 | 13 |
| totale | 9.789 | 230.785,26 | 23,58 | 131 |