| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 5 | 106,31 | 21,26 | 1 |
| 2009 | 34 | 269,45 | 7,93 | 1 |
| 2010 | 54 | 324,89 | 6,02 | 2 |
| 2012 | 118 | 851,70 | 7,22 | 1 |
| 2013 | 88 | 755,25 | 8,58 | 1 |
| 2014 | 26 | 934,98 | 35,96 | 3 |
| 2015 | 52 | 1.580,88 | 30,40 | 3 |
| 2016 | 65 | 1.696,71 | 26,10 | 3 |
| 2017 | 50 | 1.512,97 | 30,26 | 3 |
| 2018 | 54 | 1.647,13 | 30,50 | 3 |
| 2019 | 55 | 1.581,13 | 28,75 | 3 |
| 2020 | 31 | 1.115,17 | 35,97 | 3 |
| 2021 | 29 | 1.018,94 | 35,14 | 3 |
| 2022 | 31 | 754,44 | 24,34 | 3 |
| 2023 | 66 | 1.319,15 | 19,99 | 4 |
| 2024 | 40 | 778,19 | 19,45 | 6 |
| totale | 798 | 16.247,29 | 20,36 | 43 |