| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 1.395 | 41.322,42 | 29,62 | 5 |
| 2007 | 1.207 | 44.421,74 | 36,80 | 5 |
| 2008 | 837 | 24.142,36 | 28,84 | 3 |
| 2009 | 880 | 24.562,25 | 27,91 | 5 |
| 2010 | 886 | 18.872,00 | 21,30 | 4 |
| 2011 | 726 | 14.732,14 | 20,29 | 4 |
| 2012 | 874 | 20.630,66 | 23,60 | 5 |
| 2013 | 879 | 18.981,56 | 21,59 | 5 |
| 2014 | 904 | 26.564,39 | 29,39 | 6 |
| 2015 | 860 | 24.468,87 | 28,45 | 6 |
| 2016 | 903 | 25.808,67 | 28,58 | 6 |
| 2017 | 706 | 20.261,83 | 28,70 | 7 |
| 2018 | 725 | 24.987,16 | 34,47 | 7 |
| 2019 | 697 | 25.024,58 | 35,90 | 8 |
| 2020 | 608 | 21.981,37 | 36,15 | 8 |
| 2021 | 573 | 19.429,39 | 33,91 | 8 |
| 2022 | 283 | 12.277,03 | 43,38 | 6 |
| 2023 | 277 | 10.757,91 | 38,84 | 7 |
| 2024 | 317 | 11.943,78 | 37,68 | 7 |
| totale | 14.537 | 431.170,11 | 29,66 | 112 |