| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 14 | 243,11 | 17,37 | 1 |
| 2009 | 16 | 256,72 | 16,05 | 1 |
| 2010 | 11 | 197,18 | 17,93 | 1 |
| 2012 | 11 | 188,77 | 17,16 | 1 |
| 2013 | 12 | 163,70 | 13,64 | 1 |
| 2014 | 10 | 165,10 | 16,51 | 1 |
| 2015 | 72 | 2.123,41 | 29,49 | 2 |
| 2016 | 85 | 2.499,41 | 29,40 | 2 |
| 2017 | 65 | 2.278,04 | 35,05 | 2 |
| 2018 | 66 | 2.508,12 | 38,00 | 2 |
| 2019 | 67 | 2.380,24 | 35,53 | 2 |
| 2020 | 53 | 1.349,92 | 25,47 | 2 |
| 2021 | 47 | 1.500,10 | 31,92 | 2 |
| 2022 | 52 | 1.506,62 | 28,97 | 2 |
| 2023 | 42 | 1.200,69 | 28,59 | 3 |
| 2024 | 25 | 667,46 | 26,70 | 4 |
| totale | 648 | 19.228,59 | 29,67 | 29 |