| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 30 | 507,52 | 16,92 | 1 |
| 2009 | 17 | 293,13 | 17,24 | 1 |
| 2010 | 207 | 4.134,26 | 19,97 | 2 |
| 2011 | 282 | 5.526,46 | 19,60 | 1 |
| 2012 | 290 | 6.544,21 | 22,57 | 2 |
| 2013 | 268 | 5.772,48 | 21,54 | 2 |
| 2014 | 255 | 7.332,45 | 28,75 | 2 |
| 2015 | 215 | 6.292,41 | 29,27 | 2 |
| 2016 | 200 | 5.562,82 | 27,81 | 2 |
| 2017 | 224 | 6.013,96 | 26,85 | 2 |
| 2018 | 218 | 6.373,63 | 29,24 | 2 |
| 2019 | 225 | 7.203,68 | 32,02 | 2 |
| 2020 | 195 | 6.681,61 | 34,26 | 2 |
| 2021 | 107 | 3.085,14 | 28,83 | 2 |
| 2022 | 93 | 3.198,07 | 34,39 | 2 |
| 2023 | 75 | 2.477,96 | 33,04 | 3 |
| 2024 | 70 | 1.702,00 | 24,31 | 3 |
| totale | 2.971 | 78.701,79 | 26,49 | 33 |