| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 42 | 1.193,70 | 28,42 | 1 |
| 2009 | 4 | 197,35 | 49,34 | 1 |
| 2010 | 10 | 228,30 | 22,83 | 1 |
| 2012 | 41 | 977,90 | 23,85 | 1 |
| 2013 | 31 | 737,27 | 23,78 | 1 |
| 2014 | 23 | 686,55 | 29,85 | 1 |
| 2015 | 26 | 838,92 | 32,27 | 1 |
| 2016 | 19 | 520,39 | 27,39 | 1 |
| 2017 | 15 | 461,74 | 30,78 | 1 |
| 2018 | 20 | 485,87 | 24,29 | 1 |
| 2019 | 15 | 332,95 | 22,20 | 1 |
| 2020 | 51 | 1.439,80 | 28,23 | 2 |
| 2021 | 59 | 2.160,26 | 36,61 | 2 |
| 2022 | 48 | 2.292,40 | 47,76 | 2 |
| 2023 | 26 | 758,92 | 29,19 | 3 |
| 2024 | 24 | 648,57 | 27,02 | 3 |
| totale | 454 | 13.960,89 | 30,75 | 23 |