| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 216 | 5.883,26 | 27,24 | 2 |
| 2007 | 173 | 5.310,94 | 30,70 | 1 |
| 2008 | 157 | 4.571,38 | 29,12 | 1 |
| 2009 | 134 | 4.428,42 | 33,05 | 2 |
| 2010 | 85 | 2.062,56 | 24,27 | 2 |
| 2011 | 74 | 1.760,60 | 23,79 | 1 |
| 2012 | 87 | 2.319,63 | 26,66 | 2 |
| 2013 | 84 | 2.461,00 | 29,30 | 2 |
| 2014 | 100 | 3.547,90 | 35,48 | 2 |
| 2015 | 88 | 2.771,24 | 31,49 | 2 |
| 2016 | 87 | 2.550,83 | 29,32 | 2 |
| 2017 | 91 | 3.367,74 | 37,01 | 2 |
| 2018 | 82 | 2.422,26 | 29,54 | 2 |
| 2019 | 82 | 2.175,46 | 26,53 | 2 |
| 2020 | 77 | 2.132,15 | 27,69 | 2 |
| 2021 | 76 | 2.411,32 | 31,73 | 2 |
| 2022 | 65 | 1.709,54 | 26,30 | 2 |
| 2023 | 52 | 1.318,53 | 25,36 | 2 |
| 2024 | 56 | 2.157,90 | 38,53 | 3 |
| totale | 1.866 | 55.362,66 | 29,67 | 36 |