| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 67 | 1.819,94 | 27,16 | 1 |
| 2007 | 15 | 337,42 | 22,49 | 1 |
| 2008 | 15 | 210,26 | 14,02 | 1 |
| 2009 | 44 | 1.296,91 | 29,48 | 3 |
| 2010 | 14 | 232,30 | 16,59 | 1 |
| 2012 | 27 | 556,61 | 20,62 | 2 |
| 2013 | 10 | 184,50 | 18,45 | 1 |
| 2014 | 15 | 531,53 | 35,44 | 1 |
| 2015 | 12 | 457,51 | 38,13 | 1 |
| 2016 | 13 | 486,54 | 37,43 | 1 |
| 2017 | 13 | 521,57 | 40,12 | 1 |
| 2018 | 13 | 512,84 | 39,45 | 2 |
| 2019 | 64 | 1.768,16 | 27,63 | 3 |
| 2020 | 144 | 3.541,57 | 24,59 | 3 |
| 2021 | 156 | 3.206,07 | 20,55 | 3 |
| 2022 | 96 | 2.262,26 | 23,57 | 4 |
| 2023 | 53 | 1.088,10 | 20,53 | 4 |
| 2024 | 211 | 3.266,89 | 15,48 | 4 |
| totale | 982 | 22.280,98 | 22,69 | 37 |