| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 380 | 8.254,78 | 21,72 | 3 |
| 2007 | 118 | 5.353,68 | 45,37 | 3 |
| 2008 | 80 | 2.383,75 | 29,80 | 2 |
| 2009 | 178 | 7.693,18 | 43,22 | 2 |
| 2010 | 223 | 4.959,69 | 22,24 | 3 |
| 2011 | 183 | 4.842,84 | 26,46 | 2 |
| 2012 | 422 | 10.031,10 | 23,77 | 4 |
| 2013 | 511 | 11.523,61 | 22,55 | 4 |
| 2014 | 535 | 18.664,15 | 34,89 | 5 |
| 2015 | 611 | 17.942,81 | 29,37 | 5 |
| 2016 | 707 | 22.345,39 | 31,61 | 5 |
| 2017 | 781 | 24.303,66 | 31,12 | 5 |
| 2018 | 733 | 23.023,66 | 31,41 | 6 |
| 2019 | 727 | 22.631,57 | 31,13 | 6 |
| 2020 | 673 | 22.656,13 | 33,66 | 6 |
| 2021 | 735 | 24.215,27 | 32,95 | 7 |
| 2022 | 730 | 26.375,74 | 36,13 | 7 |
| 2023 | 745 | 24.487,40 | 32,87 | 8 |
| 2024 | 798 | 24.278,65 | 30,42 | 8 |
| totale | 9.870 | 305.967,06 | 31,00 | 91 |