| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 655 | 15.621,35 | 23,85 | 3 |
| 2007 | 108 | 3.178,91 | 29,43 | 1 |
| 2008 | 85 | 3.141,92 | 36,96 | 1 |
| 2009 | 207 | 5.813,63 | 28,09 | 2 |
| 2010 | 437 | 10.479,29 | 23,98 | 4 |
| 2011 | 373 | 9.770,05 | 26,19 | 3 |
| 2012 | 442 | 11.568,39 | 26,17 | 4 |
| 2013 | 530 | 12.992,13 | 24,51 | 4 |
| 2014 | 736 | 24.482,45 | 33,26 | 5 |
| 2015 | 704 | 23.129,10 | 32,85 | 6 |
| 2016 | 771 | 26.682,26 | 34,61 | 6 |
| 2017 | 973 | 36.723,48 | 37,74 | 8 |
| 2018 | 1.314 | 43.505,82 | 33,11 | 8 |
| 2019 | 1.366 | 44.826,05 | 32,82 | 8 |
| 2020 | 1.391 | 47.051,53 | 33,83 | 8 |
| 2021 | 1.302 | 46.863,55 | 35,99 | 7 |
| 2022 | 731 | 22.462,63 | 30,73 | 5 |
| 2023 | 1.087 | 21.529,47 | 19,81 | 5 |
| 2024 | 989 | 21.205,25 | 21,44 | 5 |
| totale | 14.201 | 431.027,26 | 30,35 | 93 |