| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 41 | 951,14 | 23,20 | 2 |
| 2009 | 11 | 128,71 | 11,70 | 1 |
| 2010 | 13 | 205,73 | 15,83 | 1 |
| 2012 | 33 | 451,41 | 13,68 | 2 |
| 2013 | 11 | 177,97 | 16,18 | 1 |
| 2014 | 34 | 565,87 | 16,64 | 2 |
| 2015 | 28 | 545,24 | 19,47 | 2 |
| 2016 | 20 | 346,20 | 17,31 | 2 |
| 2017 | 22 | 373,45 | 16,98 | 2 |
| 2018 | 15 | 231,92 | 15,46 | 1 |
| 2019 | 10 | 140,97 | 14,10 | 1 |
| 2020 | 12 | 288,03 | 24,00 | 1 |
| 2021 | 23 | 529,23 | 23,01 | 2 |
| 2022 | 18 | 472,83 | 26,27 | 2 |
| 2023 | 16 | 447,90 | 27,99 | 2 |
| 2024 | 17 | 488,48 | 28,73 | 2 |
| totale | 324 | 6.345,08 | 19,58 | 26 |