| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 54 | 919,68 | 17,03 | 2 |
| 2009 | 11 | 213,77 | 19,43 | 1 |
| 2010 | 19 | 229,55 | 12,08 | 1 |
| 2012 | 28 | 486,89 | 17,39 | 1 |
| 2013 | 18 | 251,32 | 13,96 | 2 |
| 2014 | 132 | 1.961,36 | 14,86 | 3 |
| 2015 | 101 | 1.681,44 | 16,65 | 4 |
| 2016 | 83 | 2.449,12 | 29,51 | 2 |
| 2017 | 328 | 9.298,81 | 28,35 | 3 |
| 2018 | 420 | 11.184,05 | 26,63 | 3 |
| 2019 | 420 | 10.897,46 | 25,95 | 3 |
| 2020 | 404 | 10.914,39 | 27,02 | 3 |
| 2021 | 415 | 11.181,53 | 26,94 | 3 |
| 2022 | 386 | 11.088,25 | 28,73 | 3 |
| 2023 | 401 | 11.168,46 | 27,85 | 3 |
| 2024 | 315 | 7.216,86 | 22,91 | 2 |
| totale | 3.535 | 91.142,94 | 25,78 | 39 |