| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 300 | 3.927,20 | 13,09 | 1 |
| 2009 | 29 | 423,00 | 14,59 | 1 |
| 2010 | 26 | 305,91 | 11,77 | 1 |
| 2011 | 215 | 4.282,61 | 19,92 | 1 |
| 2012 | 176 | 1.877,90 | 10,67 | 1 |
| 2013 | 72 | 835,05 | 11,60 | 1 |
| 2014 | 59 | 868,92 | 14,73 | 2 |
| 2015 | 90 | 1.718,35 | 19,09 | 2 |
| 2016 | 137 | 2.277,19 | 16,62 | 2 |
| 2017 | 122 | 1.866,85 | 15,30 | 2 |
| 2018 | 171 | 2.185,31 | 12,78 | 2 |
| 2019 | 65 | 1.236,42 | 19,02 | 2 |
| 2020 | 80 | 1.495,38 | 18,69 | 2 |
| 2021 | 62 | 1.236,82 | 19,95 | 2 |
| 2022 | 59 | 1.018,96 | 17,27 | 2 |
| 2023 | 66 | 1.042,13 | 15,79 | 2 |
| 2024 | 178 | 2.956,39 | 16,61 | 5 |
| totale | 1.907 | 29.554,39 | 15,50 | 31 |