| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 94 | 1.293,55 | 13,76 | 1 |
| 2009 | 11 | 393,19 | 35,74 | 1 |
| 2010 | 56 | 545,94 | 9,75 | 1 |
| 2012 | 153 | 1.823,36 | 11,92 | 1 |
| 2013 | 173 | 2.916,99 | 16,86 | 2 |
| 2014 | 67 | 1.476,46 | 22,04 | 1 |
| 2015 | 39 | 973,24 | 24,95 | 1 |
| 2016 | 106 | 2.894,70 | 27,31 | 2 |
| 2017 | 59 | 1.810,56 | 30,69 | 2 |
| 2018 | 58 | 2.027,77 | 34,96 | 2 |
| 2019 | 47 | 1.227,74 | 26,12 | 2 |
| 2020 | 57 | 1.216,91 | 21,35 | 2 |
| 2021 | 26 | 1.226,73 | 47,18 | 3 |
| 2022 | 14 | 333,50 | 23,82 | 2 |
| 2023 | 29 | 1.367,07 | 47,14 | 4 |
| 2024 | 29 | 1.086,63 | 37,47 | 4 |
| totale | 1.018 | 22.614,34 | 22,21 | 31 |