| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 219 | 3.939,72 | 17,99 | 1 |
| 2007 | 404 | 15.260,16 | 37,77 | 1 |
| 2008 | 384 | 12.083,74 | 31,47 | 2 |
| 2009 | 338 | 9.971,38 | 29,50 | 3 |
| 2010 | 339 | 7.345,08 | 21,67 | 2 |
| 2011 | 231 | 4.770,77 | 20,65 | 2 |
| 2012 | 336 | 6.968,49 | 20,74 | 3 |
| 2013 | 308 | 6.097,52 | 19,80 | 3 |
| 2014 | 422 | 12.082,90 | 28,63 | 3 |
| 2015 | 266 | 8.018,87 | 30,15 | 3 |
| 2016 | 595 | 14.606,24 | 24,55 | 4 |
| 2017 | 538 | 11.942,06 | 22,20 | 4 |
| 2018 | 355 | 8.912,22 | 25,10 | 5 |
| 2019 | 353 | 9.443,55 | 26,75 | 5 |
| 2020 | 101 | 3.437,07 | 34,03 | 4 |
| 2021 | 112 | 3.592,75 | 32,08 | 4 |
| 2022 | 120 | 3.983,48 | 33,20 | 4 |
| 2023 | 166 | 4.938,94 | 29,75 | 5 |
| 2024 | 114 | 3.733,78 | 32,75 | 5 |
| totale | 5.701 | 151.128,72 | 26,51 | 63 |