| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 1.300 | 24.550,03 | 18,88 | 4 |
| 2007 | 568 | 13.737,35 | 24,19 | 2 |
| 2008 | 468 | 12.508,86 | 26,73 | 4 |
| 2009 | 572 | 13.888,83 | 24,28 | 5 |
| 2010 | 682 | 14.809,70 | 21,72 | 6 |
| 2011 | 421 | 10.108,72 | 24,01 | 4 |
| 2012 | 1.026 | 20.977,50 | 20,45 | 7 |
| 2013 | 1.114 | 20.614,72 | 18,51 | 6 |
| 2014 | 998 | 22.749,84 | 22,80 | 5 |
| 2015 | 1.014 | 23.568,85 | 23,24 | 8 |
| 2016 | 1.004 | 23.368,50 | 23,28 | 8 |
| 2017 | 934 | 21.776,68 | 23,32 | 8 |
| 2018 | 870 | 21.614,89 | 24,84 | 9 |
| 2019 | 790 | 19.624,94 | 24,84 | 9 |
| 2020 | 766 | 19.010,69 | 24,82 | 9 |
| 2021 | 992 | 27.507,74 | 27,73 | 10 |
| 2022 | 756 | 21.844,69 | 28,90 | 7 |
| 2023 | 775 | 21.942,50 | 28,31 | 8 |
| 2024 | 861 | 25.173,29 | 29,24 | 12 |
| totale | 15.911 | 379.378,32 | 23,84 | 131 |