| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 79 | 1.522,24 | 19,27 | 2 |
| 2009 | 23 | 565,52 | 24,59 | 1 |
| 2010 | 24 | 337,97 | 14,08 | 2 |
| 2011 | 41 | 475,18 | 11,59 | 1 |
| 2012 | 50 | 731,31 | 14,63 | 2 |
| 2013 | 36 | 619,76 | 17,22 | 2 |
| 2014 | 43 | 735,74 | 17,11 | 2 |
| 2015 | 40 | 731,92 | 18,30 | 2 |
| 2016 | 42 | 775,48 | 18,46 | 2 |
| 2017 | 34 | 536,45 | 15,78 | 2 |
| 2018 | 30 | 611,69 | 20,39 | 2 |
| 2019 | 48 | 1.653,58 | 34,45 | 3 |
| 2020 | 26 | 605,83 | 23,30 | 2 |
| 2021 | 36 | 902,54 | 25,07 | 3 |
| 2022 | 38 | 819,50 | 21,57 | 3 |
| 2023 | 31 | 608,86 | 19,64 | 3 |
| 2024 | 39 | 723,20 | 18,54 | 3 |
| totale | 660 | 12.956,77 | 19,63 | 37 |