| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 207 | 3.661,91 | 17,69 | 2 |
| 2007 | 121 | 2.367,53 | 19,57 | 1 |
| 2008 | 159 | 3.008,80 | 18,92 | 1 |
| 2009 | 162 | 3.521,34 | 21,74 | 3 |
| 2010 | 71 | 1.561,00 | 21,99 | 2 |
| 2011 | 252 | 6.589,25 | 26,15 | 2 |
| 2012 | 240 | 6.116,55 | 25,49 | 3 |
| 2013 | 214 | 4.813,90 | 22,49 | 3 |
| 2014 | 178 | 4.795,98 | 26,94 | 3 |
| 2015 | 189 | 5.405,56 | 28,60 | 3 |
| 2016 | 143 | 4.588,37 | 32,09 | 3 |
| 2017 | 185 | 5.413,98 | 29,26 | 3 |
| 2018 | 169 | 4.941,33 | 29,24 | 3 |
| 2019 | 162 | 5.601,32 | 34,58 | 3 |
| 2020 | 171 | 5.415,84 | 31,67 | 3 |
| 2021 | 196 | 5.407,29 | 27,59 | 3 |
| 2022 | 136 | 4.439,66 | 32,64 | 3 |
| 2023 | 126 | 3.852,26 | 30,57 | 3 |
| 2024 | 127 | 3.436,29 | 27,06 | 3 |
| totale | 3.208 | 84.938,16 | 26,48 | 50 |