| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 92 | 1.283,57 | 13,95 | 1 |
| 2007 | 22 | 251,58 | 11,44 | 1 |
| 2009 | 9 | 52,95 | 5,88 | 1 |
| 2010 | 11 | 155,57 | 14,14 | 1 |
| 2012 | 147 | 2.440,06 | 16,60 | 2 |
| 2013 | 40 | 674,30 | 16,86 | 2 |
| 2014 | 15 | 331,39 | 22,09 | 2 |
| 2015 | 5 | 189,33 | 37,87 | 1 |
| 2016 | 7 | 131,03 | 18,72 | 1 |
| 2017 | 5 | 125,57 | 25,11 | 1 |
| 2018 | 7 | 173,14 | 24,73 | 1 |
| 2019 | 6 | 185,02 | 30,84 | 1 |
| 2020 | 4 | 190,61 | 47,65 | 1 |
| 2021 | 2 | 137,45 | 68,73 | 2 |
| 2022 | 57 | 1.513,66 | 26,56 | 3 |
| 2023 | 129 | 2.073,35 | 16,07 | 4 |
| 2024 | 66 | 1.044,39 | 15,82 | 3 |
| totale | 624 | 10.952,97 | 17,55 | 28 |