| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 59 | 1.703,93 | 28,88 | 1 |
| 2009 | 24 | 902,34 | 37,60 | 3 |
| 2010 | 22 | 575,09 | 26,14 | 2 |
| 2012 | 20 | 539,68 | 26,98 | 3 |
| 2013 | 18 | 441,06 | 24,50 | 2 |
| 2014 | 21 | 524,24 | 24,96 | 3 |
| 2015 | 21 | 670,09 | 31,91 | 3 |
| 2016 | 20 | 698,04 | 34,90 | 3 |
| 2017 | 16 | 727,24 | 45,45 | 3 |
| 2018 | 15 | 684,73 | 45,65 | 3 |
| 2019 | 14 | 766,99 | 54,79 | 3 |
| 2020 | 17 | 743,06 | 43,71 | 3 |
| 2021 | 12 | 633,94 | 52,83 | 3 |
| 2022 | 15 | 481,12 | 32,07 | 3 |
| 2023 | 16 | 233,48 | 14,59 | 3 |
| 2024 | 12 | 199,76 | 16,65 | 3 |
| totale | 322 | 10.524,79 | 32,69 | 44 |