| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 84 | 2.467,44 | 29,37 | 1 |
| 2009 | 20 | 757,36 | 37,87 | 1 |
| 2010 | 30 | 592,34 | 19,74 | 1 |
| 2012 | 39 | 1.309,75 | 33,58 | 2 |
| 2013 | 32 | 905,84 | 28,31 | 2 |
| 2014 | 29 | 1.011,20 | 34,87 | 1 |
| 2015 | 58 | 2.235,46 | 38,54 | 2 |
| 2016 | 64 | 2.091,85 | 32,69 | 2 |
| 2017 | 72 | 2.234,41 | 31,03 | 2 |
| 2018 | 114 | 3.469,28 | 30,43 | 2 |
| 2019 | 131 | 3.901,80 | 29,78 | 2 |
| 2020 | 146 | 3.961,79 | 27,14 | 2 |
| 2021 | 148 | 4.265,46 | 28,82 | 2 |
| 2022 | 163 | 4.853,13 | 29,77 | 2 |
| 2023 | 178 | 5.200,64 | 29,22 | 3 |
| 2024 | 230 | 6.144,02 | 26,71 | 4 |
| totale | 1.538 | 45.401,77 | 29,52 | 31 |