| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 20 | 387,43 | 19,37 | 1 |
| 2009 | 2 | 31,39 | 15,70 | 1 |
| 2010 | 2 | 34,97 | 17,49 | 1 |
| 2012 | 60 | 1.329,73 | 22,16 | 2 |
| 2013 | 51 | 1.218,83 | 23,90 | 2 |
| 2014 | 0 | 0,00 | 0,00 | 1 |
| 2015 | 42 | 1.191,93 | 28,38 | 2 |
| 2016 | 24 | 668,31 | 27,85 | 2 |
| 2017 | 12 | 498,15 | 41,51 | 2 |
| 2018 | 17 | 560,27 | 32,96 | 2 |
| 2019 | 14 | 545,62 | 38,97 | 2 |
| 2020 | 14 | 397,82 | 28,42 | 2 |
| 2021 | 11 | 316,47 | 28,77 | 2 |
| 2022 | 14 | 412,48 | 29,46 | 2 |
| 2023 | 13 | 416,52 | 32,04 | 2 |
| 2024 | 10 | 264,13 | 26,41 | 2 |
| totale | 306 | 8.274,05 | 27,04 | 28 |