| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 265 | 3.828,64 | 14,45 | 2 |
| 2007 | 69 | 1.896,29 | 27,48 | 2 |
| 2008 | 87 | 2.609,83 | 30,00 | 2 |
| 2009 | 165 | 3.924,53 | 23,79 | 3 |
| 2010 | 146 | 2.815,77 | 19,29 | 3 |
| 2011 | 10 | 174,11 | 17,41 | 1 |
| 2012 | 39 | 801,59 | 20,55 | 2 |
| 2013 | 45 | 1.307,74 | 29,06 | 2 |
| 2014 | 78 | 2.587,23 | 33,17 | 3 |
| 2015 | 63 | 1.772,34 | 28,13 | 3 |
| 2016 | 62 | 2.225,26 | 35,89 | 2 |
| 2017 | 52 | 1.662,38 | 31,97 | 2 |
| 2018 | 44 | 1.425,15 | 32,39 | 2 |
| 2019 | 41 | 1.822,21 | 44,44 | 2 |
| 2020 | 33 | 1.113,59 | 33,75 | 2 |
| 2021 | 69 | 1.925,12 | 27,90 | 2 |
| 2022 | 22 | 686,15 | 31,19 | 1 |
| 2023 | 19 | 1.051,22 | 55,33 | 1 |
| 2024 | 15 | 509,68 | 33,98 | 1 |
| totale | 1.324 | 34.138,83 | 25,78 | 38 |