| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 289 | 6.477,03 | 22,41 | 3 |
| 2007 | 222 | 6.334,41 | 28,53 | 2 |
| 2008 | 369 | 11.039,98 | 29,92 | 3 |
| 2009 | 541 | 13.251,07 | 24,49 | 6 |
| 2010 | 740 | 14.990,03 | 20,26 | 6 |
| 2011 | 908 | 17.669,43 | 19,46 | 7 |
| 2012 | 791 | 18.561,00 | 23,47 | 8 |
| 2013 | 720 | 16.048,20 | 22,29 | 7 |
| 2014 | 986 | 27.819,47 | 28,21 | 11 |
| 2015 | 819 | 24.286,35 | 29,65 | 11 |
| 2016 | 619 | 20.058,38 | 32,40 | 9 |
| 2017 | 748 | 22.844,59 | 30,54 | 10 |
| 2018 | 889 | 23.744,19 | 26,71 | 11 |
| 2019 | 740 | 20.188,58 | 27,28 | 12 |
| 2020 | 758 | 20.932,25 | 27,62 | 13 |
| 2021 | 747 | 18.925,35 | 25,34 | 12 |
| 2022 | 738 | 19.902,72 | 26,97 | 15 |
| 2023 | 961 | 26.337,60 | 27,41 | 19 |
| 2024 | 1.122 | 27.873,19 | 24,84 | 23 |
| totale | 13.707 | 357.283,82 | 26,07 | 188 |