| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 800 | 22.227,58 | 27,78 | 2 |
| 2007 | 747 | 24.775,37 | 33,17 | 1 |
| 2008 | 1.004 | 31.144,80 | 31,02 | 1 |
| 2009 | 923 | 31.172,96 | 33,77 | 2 |
| 2010 | 1.027 | 26.892,62 | 26,19 | 2 |
| 2011 | 813 | 24.033,98 | 29,56 | 2 |
| 2012 | 1.020 | 28.420,45 | 27,86 | 4 |
| 2013 | 941 | 23.979,30 | 25,48 | 3 |
| 2014 | 861 | 28.889,03 | 33,55 | 3 |
| 2015 | 839 | 27.063,11 | 32,26 | 3 |
| 2016 | 796 | 27.301,72 | 34,30 | 3 |
| 2017 | 754 | 26.378,87 | 34,99 | 3 |
| 2018 | 736 | 25.857,07 | 35,13 | 3 |
| 2019 | 677 | 23.767,64 | 35,11 | 3 |
| 2020 | 672 | 24.499,73 | 36,46 | 3 |
| 2021 | 537 | 19.821,08 | 36,91 | 3 |
| 2022 | 494 | 17.333,80 | 35,09 | 4 |
| 2023 | 476 | 16.628,88 | 34,93 | 4 |
| 2024 | 480 | 15.647,82 | 32,60 | 5 |
| totale | 14.597 | 465.835,81 | 31,91 | 54 |