| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 108 | 2.541,77 | 23,53 | 3 |
| 2007 | 23 | 620,23 | 26,97 | 1 |
| 2008 | 26 | 646,72 | 24,87 | 2 |
| 2009 | 48 | 1.229,11 | 25,61 | 2 |
| 2010 | 861 | 28.550,81 | 33,16 | 3 |
| 2011 | 773 | 28.583,25 | 36,98 | 3 |
| 2012 | 565 | 22.268,02 | 39,41 | 3 |
| 2013 | 56 | 1.628,95 | 29,09 | 4 |
| 2014 | 57 | 2.089,17 | 36,65 | 4 |
| 2015 | 55 | 1.520,79 | 27,65 | 3 |
| 2016 | 62 | 2.432,84 | 39,24 | 4 |
| 2017 | 69 | 2.241,14 | 32,48 | 4 |
| 2018 | 469 | 16.591,61 | 35,38 | 6 |
| 2019 | 393 | 14.476,52 | 36,84 | 7 |
| 2020 | 306 | 13.609,65 | 44,48 | 7 |
| 2021 | 378 | 13.954,15 | 36,92 | 7 |
| 2022 | 352 | 16.230,36 | 46,11 | 8 |
| 2023 | 427 | 18.752,22 | 43,92 | 10 |
| 2024 | 449 | 20.747,82 | 46,21 | 10 |
| totale | 5.477 | 208.715,13 | 38,11 | 91 |