| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 73 | 2.487,41 | 34,07 | 2 |
| 2008 | 67 | 1.765,71 | 26,35 | 1 |
| 2009 | 145 | 4.611,96 | 31,81 | 3 |
| 2010 | 9 | 156,65 | 17,41 | 1 |
| 2011 | 219 | 5.170,34 | 23,61 | 3 |
| 2012 | 143 | 3.703,33 | 25,90 | 3 |
| 2013 | 87 | 2.316,39 | 26,63 | 2 |
| 2014 | 11 | 218,17 | 19,83 | 1 |
| 2015 | 9 | 363,18 | 40,35 | 1 |
| 2016 | 3 | 258,51 | 86,17 | 1 |
| 2017 | 5 | 99,82 | 19,96 | 1 |
| 2018 | 5 | 308,69 | 61,74 | 1 |
| 2019 | 7 | 151,10 | 21,59 | 1 |
| 2020 | 8 | 494,97 | 61,87 | 1 |
| 2021 | 59 | 1.716,59 | 29,09 | 3 |
| 2022 | 47 | 1.470,84 | 31,29 | 2 |
| 2023 | 63 | 1.884,57 | 29,91 | 4 |
| 2024 | 68 | 1.337,38 | 19,67 | 3 |
| totale | 1.028 | 28.515,61 | 27,74 | 34 |