| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 531 | 13.272,99 | 25,00 | 2 |
| 2007 | 454 | 12.388,40 | 27,29 | 2 |
| 2008 | 678 | 18.354,43 | 27,07 | 4 |
| 2009 | 689 | 20.165,32 | 29,27 | 9 |
| 2010 | 602 | 15.267,79 | 25,36 | 9 |
| 2011 | 383 | 8.349,42 | 21,80 | 4 |
| 2012 | 490 | 11.253,77 | 22,97 | 11 |
| 2013 | 603 | 14.210,24 | 23,57 | 10 |
| 2014 | 810 | 20.279,94 | 25,04 | 11 |
| 2015 | 902 | 23.400,43 | 25,94 | 10 |
| 2016 | 899 | 25.057,70 | 27,87 | 12 |
| 2017 | 930 | 27.867,45 | 29,97 | 14 |
| 2018 | 1.021 | 28.973,45 | 28,38 | 16 |
| 2019 | 983 | 27.812,58 | 28,29 | 13 |
| 2020 | 729 | 22.885,21 | 31,39 | 13 |
| 2021 | 749 | 24.219,69 | 32,34 | 15 |
| 2022 | 577 | 22.797,60 | 39,51 | 13 |
| 2023 | 385 | 13.966,38 | 36,28 | 15 |
| 2024 | 440 | 16.344,45 | 37,15 | 17 |
| totale | 12.855 | 366.867,24 | 28,54 | 200 |