| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 13 | 459,31 | 35,33 | 2 |
| 2007 | 3 | 42,76 | 14,25 | 1 |
| 2008 | 287 | 11.229,50 | 39,13 | 2 |
| 2009 | 213 | 4.344,22 | 20,40 | 3 |
| 2010 | 414 | 12.980,49 | 31,35 | 3 |
| 2011 | 312 | 8.370,00 | 26,83 | 2 |
| 2012 | 338 | 8.736,66 | 25,85 | 3 |
| 2013 | 268 | 8.135,23 | 30,36 | 3 |
| 2014 | 438 | 13.818,22 | 31,55 | 4 |
| 2015 | 198 | 4.817,38 | 24,33 | 3 |
| 2016 | 599 | 18.825,02 | 31,43 | 5 |
| 2017 | 666 | 20.162,01 | 30,27 | 7 |
| 2018 | 789 | 21.202,73 | 26,87 | 7 |
| 2019 | 844 | 23.478,35 | 27,82 | 7 |
| 2020 | 841 | 23.768,40 | 28,26 | 7 |
| 2021 | 819 | 24.241,18 | 29,60 | 8 |
| 2022 | 846 | 29.182,69 | 34,49 | 8 |
| 2023 | 880 | 27.591,55 | 31,35 | 9 |
| 2024 | 876 | 23.498,12 | 26,82 | 9 |
| totale | 9.644 | 284.883,82 | 29,54 | 93 |