| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 139 | 2.831,60 | 20,37 | 1 |
| 2007 | 70 | 2.349,16 | 33,56 | 2 |
| 2008 | 27 | 1.255,53 | 46,50 | 1 |
| 2009 | 163 | 4.240,79 | 26,02 | 4 |
| 2010 | 158 | 4.181,51 | 26,47 | 4 |
| 2011 | 74 | 2.546,42 | 34,41 | 3 |
| 2012 | 147 | 3.562,41 | 24,23 | 5 |
| 2013 | 166 | 4.153,12 | 25,02 | 4 |
| 2014 | 172 | 5.294,03 | 30,78 | 5 |
| 2015 | 151 | 4.959,88 | 32,85 | 4 |
| 2016 | 163 | 5.437,26 | 33,36 | 4 |
| 2017 | 118 | 4.138,41 | 35,07 | 3 |
| 2018 | 123 | 4.335,79 | 35,25 | 3 |
| 2019 | 123 | 4.344,66 | 35,32 | 3 |
| 2020 | 149 | 5.940,44 | 39,87 | 3 |
| 2021 | 135 | 5.415,43 | 40,11 | 3 |
| 2022 | 123 | 4.272,77 | 34,74 | 3 |
| 2023 | 135 | 5.009,44 | 37,11 | 4 |
| 2024 | 162 | 6.126,72 | 37,82 | 6 |
| totale | 2.498 | 80.395,37 | 32,18 | 65 |