| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 87 | 1.694,62 | 19,48 | 1 |
| 2009 | 87 | 960,75 | 11,04 | 1 |
| 2010 | 13 | 436,26 | 33,56 | 1 |
| 2012 | 41 | 355,21 | 8,66 | 1 |
| 2013 | 138 | 2.386,13 | 17,29 | 2 |
| 2014 | 154 | 3.388,22 | 22,00 | 3 |
| 2015 | 192 | 4.541,09 | 23,65 | 3 |
| 2016 | 644 | 16.902,38 | 26,25 | 5 |
| 2017 | 729 | 18.238,82 | 25,02 | 5 |
| 2018 | 775 | 18.138,38 | 23,40 | 5 |
| 2019 | 755 | 18.522,41 | 24,53 | 5 |
| 2020 | 736 | 18.689,29 | 25,39 | 5 |
| 2021 | 769 | 19.774,29 | 25,71 | 5 |
| 2022 | 700 | 16.610,74 | 23,73 | 5 |
| 2023 | 717 | 16.522,17 | 23,04 | 5 |
| 2024 | 620 | 15.122,71 | 24,39 | 8 |
| totale | 7.157 | 172.283,47 | 24,07 | 60 |