| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 38 | 445,85 | 11,73 | 1 |
| 2007 | 29 | 520,39 | 17,94 | 1 |
| 2009 | 34 | 1.027,80 | 30,23 | 2 |
| 2010 | 52 | 1.117,92 | 21,50 | 2 |
| 2011 | 62 | 1.626,58 | 26,24 | 1 |
| 2012 | 6 | 89,32 | 14,89 | 1 |
| 2013 | 48 | 738,18 | 15,38 | 2 |
| 2014 | 45 | 927,58 | 20,61 | 2 |
| 2015 | 34 | 576,71 | 16,96 | 2 |
| 2016 | 33 | 631,07 | 19,12 | 2 |
| 2017 | 36 | 747,16 | 20,75 | 2 |
| 2018 | 31 | 597,08 | 19,26 | 2 |
| 2019 | 22 | 539,33 | 24,52 | 2 |
| 2020 | 26 | 550,93 | 21,19 | 2 |
| 2021 | 21 | 370,84 | 17,66 | 2 |
| 2022 | 22 | 461,17 | 20,96 | 2 |
| 2023 | 18 | 394,50 | 21,92 | 2 |
| 2024 | 20 | 581,76 | 29,09 | 2 |
| totale | 577 | 11.944,17 | 20,70 | 32 |