| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 24 | 381,77 | 15,91 | 1 |
| 2009 | 21 | 357,75 | 17,04 | 1 |
| 2010 | 257 | 5.571,60 | 21,68 | 3 |
| 2011 | 2 | 37,69 | 18,85 | 1 |
| 2012 | 117 | 3.160,30 | 27,01 | 3 |
| 2013 | 115 | 2.588,42 | 22,51 | 2 |
| 2014 | 78 | 2.116,31 | 27,13 | 2 |
| 2015 | 8 | 200,02 | 25,00 | 1 |
| 2016 | 163 | 3.728,07 | 22,87 | 4 |
| 2017 | 79 | 2.052,34 | 25,98 | 4 |
| 2018 | 66 | 1.567,37 | 23,75 | 4 |
| 2019 | 24 | 471,43 | 19,64 | 3 |
| 2020 | 31 | 674,24 | 21,75 | 3 |
| 2021 | 234 | 5.504,78 | 23,52 | 4 |
| 2022 | 150 | 4.213,78 | 28,09 | 4 |
| 2023 | 79 | 1.603,83 | 20,30 | 4 |
| 2024 | 63 | 1.517,71 | 24,09 | 4 |
| totale | 1.511 | 35.747,41 | 23,66 | 48 |