| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 257 | 3.659,97 | 14,24 | 2 |
| 2007 | 508 | 10.897,58 | 21,45 | 2 |
| 2008 | 816 | 15.260,79 | 18,70 | 2 |
| 2009 | 775 | 14.482,55 | 18,69 | 3 |
| 2010 | 926 | 17.922,45 | 19,35 | 5 |
| 2011 | 813 | 16.262,91 | 20,00 | 2 |
| 2012 | 857 | 18.202,27 | 21,24 | 5 |
| 2013 | 1.002 | 17.714,46 | 17,68 | 5 |
| 2014 | 554 | 14.263,06 | 25,75 | 6 |
| 2015 | 449 | 11.906,32 | 26,52 | 5 |
| 2016 | 420 | 11.186,81 | 26,64 | 5 |
| 2017 | 326 | 9.828,64 | 30,15 | 5 |
| 2018 | 282 | 8.458,58 | 29,99 | 4 |
| 2019 | 291 | 8.184,46 | 28,13 | 4 |
| 2020 | 339 | 9.286,17 | 27,39 | 4 |
| 2021 | 372 | 9.587,31 | 25,77 | 5 |
| 2022 | 377 | 9.939,48 | 26,36 | 5 |
| 2023 | 449 | 11.943,20 | 26,60 | 6 |
| 2024 | 509 | 12.197,01 | 23,96 | 7 |
| totale | 10.322 | 231.184,02 | 22,40 | 82 |