| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 348 | 5.674,27 | 16,31 | 2 |
| 2008 | 16 | 899,33 | 56,21 | 2 |
| 2009 | 101 | 2.523,76 | 24,99 | 3 |
| 2010 | 131 | 3.081,89 | 23,53 | 3 |
| 2011 | 15 | 1.103,55 | 73,57 | 1 |
| 2012 | 306 | 7.525,77 | 24,59 | 3 |
| 2013 | 129 | 2.764,19 | 21,43 | 3 |
| 2014 | 132 | 3.709,75 | 28,10 | 4 |
| 2015 | 130 | 3.641,84 | 28,01 | 4 |
| 2016 | 128 | 2.888,22 | 22,56 | 5 |
| 2017 | 144 | 3.466,17 | 24,07 | 5 |
| 2018 | 149 | 3.419,98 | 22,95 | 6 |
| 2019 | 157 | 3.567,00 | 22,72 | 7 |
| 2020 | 168 | 4.126,41 | 24,56 | 7 |
| 2021 | 156 | 3.577,95 | 22,94 | 7 |
| 2022 | 162 | 4.480,36 | 27,66 | 5 |
| 2023 | 236 | 7.190,36 | 30,47 | 7 |
| 2024 | 253 | 6.770,10 | 26,76 | 9 |
| totale | 2.861 | 70.410,90 | 24,61 | 83 |