| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 4 | 50,86 | 12,72 | 1 |
| 2007 | 114 | 3.459,53 | 30,35 | 1 |
| 2008 | 13 | 252,89 | 19,45 | 1 |
| 2009 | 62 | 897,41 | 14,47 | 2 |
| 2010 | 3 | 16,60 | 5,53 | 1 |
| 2011 | 97 | 1.628,59 | 16,79 | 1 |
| 2012 | 87 | 1.194,49 | 13,73 | 2 |
| 2013 | 96 | 1.351,39 | 14,08 | 3 |
| 2014 | 89 | 1.437,19 | 16,15 | 3 |
| 2015 | 44 | 740,39 | 16,83 | 3 |
| 2016 | 56 | 1.248,05 | 22,29 | 3 |
| 2017 | 60 | 897,21 | 14,95 | 3 |
| 2018 | 21 | 378,45 | 18,02 | 3 |
| 2019 | 38 | 902,82 | 23,76 | 3 |
| 2020 | 29 | 678,80 | 23,41 | 3 |
| 2021 | 24 | 660,03 | 27,50 | 3 |
| 2022 | 1 | 47,83 | 47,83 | 1 |
| 2023 | 2 | 31,99 | 16,00 | 1 |
| 2024 | 3 | 8,64 | 2,88 | 1 |
| totale | 843 | 15.883,16 | 18,84 | 39 |