| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 14 | 176,65 | 12,62 | 1 |
| 2008 | 21 | 1.060,91 | 50,52 | 1 |
| 2009 | 28 | 1.135,91 | 40,57 | 2 |
| 2010 | 19 | 503,14 | 26,48 | 2 |
| 2011 | 25 | 637,11 | 25,48 | 1 |
| 2012 | 50 | 1.254,21 | 25,08 | 3 |
| 2013 | 27 | 583,61 | 21,62 | 3 |
| 2014 | 13 | 280,37 | 21,57 | 2 |
| 2015 | 15 | 295,18 | 19,68 | 2 |
| 2016 | 13 | 246,40 | 18,95 | 2 |
| 2017 | 12 | 288,59 | 24,05 | 2 |
| 2018 | 10 | 120,71 | 12,07 | 2 |
| 2019 | 7 | 135,75 | 19,39 | 2 |
| 2020 | 7 | 152,75 | 21,82 | 2 |
| 2021 | 6 | 75,92 | 12,65 | 2 |
| 2022 | 4 | 48,92 | 12,23 | 1 |
| 2023 | 21 | 829,56 | 39,50 | 2 |
| 2024 | 29 | 897,65 | 30,95 | 2 |
| totale | 321 | 8.723,34 | 27,18 | 34 |