| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 42 | 698,28 | 16,63 | 1 |
| 2009 | 4 | 131,72 | 32,93 | 1 |
| 2010 | 11 | 270,03 | 24,55 | 2 |
| 2011 | 79 | 3.284,98 | 41,58 | 1 |
| 2012 | 71 | 3.378,75 | 47,59 | 3 |
| 2013 | 285 | 5.788,58 | 20,31 | 4 |
| 2014 | 139 | 5.330,74 | 38,35 | 3 |
| 2015 | 172 | 5.914,50 | 34,39 | 4 |
| 2016 | 350 | 9.249,33 | 26,43 | 4 |
| 2017 | 276 | 8.681,48 | 31,45 | 5 |
| 2018 | 199 | 7.109,06 | 35,72 | 5 |
| 2019 | 218 | 6.580,09 | 30,18 | 4 |
| 2020 | 132 | 5.320,71 | 40,31 | 4 |
| 2021 | 104 | 4.551,18 | 43,76 | 4 |
| 2022 | 84 | 3.223,63 | 38,38 | 3 |
| 2023 | 85 | 3.109,62 | 36,58 | 3 |
| 2024 | 539 | 9.688,72 | 17,98 | 5 |
| totale | 2.790 | 82.311,40 | 29,50 | 56 |