| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 16 | 305,80 | 19,11 | 1 |
| 2009 | 476 | 15.249,42 | 32,04 | 3 |
| 2010 | 7 | 192,66 | 27,52 | 1 |
| 2012 | 104 | 3.150,91 | 30,30 | 2 |
| 2013 | 210 | 5.712,46 | 27,20 | 2 |
| 2014 | 275 | 10.105,89 | 36,75 | 2 |
| 2015 | 261 | 9.663,41 | 37,02 | 2 |
| 2016 | 236 | 8.345,91 | 35,36 | 2 |
| 2017 | 213 | 7.491,01 | 35,17 | 2 |
| 2018 | 188 | 7.026,13 | 37,37 | 3 |
| 2019 | 475 | 14.461,99 | 30,45 | 4 |
| 2020 | 727 | 22.020,48 | 30,29 | 5 |
| 2021 | 681 | 19.646,30 | 28,85 | 5 |
| 2022 | 675 | 22.498,38 | 33,33 | 5 |
| 2023 | 630 | 20.603,64 | 32,70 | 5 |
| 2024 | 1.163 | 30.964,99 | 26,63 | 5 |
| totale | 6.337 | 197.439,38 | 31,16 | 49 |