| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 307 | 8.227,97 | 26,80 | 2 |
| 2008 | 102 | 4.001,07 | 39,23 | 1 |
| 2009 | 146 | 5.837,38 | 39,98 | 2 |
| 2010 | 253 | 6.263,32 | 24,76 | 3 |
| 2011 | 133 | 2.366,77 | 17,80 | 2 |
| 2012 | 330 | 7.579,46 | 22,97 | 3 |
| 2013 | 385 | 9.972,62 | 25,90 | 3 |
| 2014 | 370 | 12.100,57 | 32,70 | 3 |
| 2015 | 332 | 10.862,53 | 32,72 | 3 |
| 2016 | 350 | 12.437,34 | 35,54 | 3 |
| 2017 | 510 | 17.511,43 | 34,34 | 4 |
| 2018 | 557 | 18.780,17 | 33,72 | 4 |
| 2019 | 462 | 15.474,84 | 33,50 | 5 |
| 2020 | 541 | 19.049,54 | 35,21 | 6 |
| 2021 | 648 | 23.486,92 | 36,25 | 7 |
| 2022 | 612 | 24.842,39 | 40,59 | 6 |
| 2023 | 589 | 22.808,43 | 38,72 | 7 |
| 2024 | 591 | 22.340,87 | 37,80 | 8 |
| totale | 7.218 | 243.943,62 | 33,80 | 72 |