| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 465 | 9.744,78 | 20,96 | 5 |
| 2007 | 115 | 3.653,66 | 31,77 | 2 |
| 2008 | 154 | 4.362,82 | 28,33 | 2 |
| 2009 | 255 | 5.871,39 | 23,03 | 3 |
| 2010 | 254 | 5.296,47 | 20,85 | 5 |
| 2011 | 123 | 2.490,27 | 20,25 | 2 |
| 2012 | 218 | 4.906,60 | 22,51 | 2 |
| 2013 | 226 | 4.686,78 | 20,74 | 3 |
| 2014 | 230 | 6.051,69 | 26,31 | 3 |
| 2015 | 231 | 6.837,15 | 29,60 | 5 |
| 2016 | 234 | 6.921,45 | 29,58 | 5 |
| 2017 | 223 | 6.901,92 | 30,95 | 5 |
| 2018 | 200 | 6.028,99 | 30,14 | 6 |
| 2019 | 197 | 6.171,49 | 31,33 | 6 |
| 2020 | 209 | 6.616,62 | 31,66 | 6 |
| 2021 | 208 | 7.570,35 | 36,40 | 7 |
| 2022 | 298 | 9.343,57 | 31,35 | 8 |
| 2023 | 249 | 7.835,91 | 31,47 | 9 |
| 2024 | 235 | 7.155,06 | 30,45 | 9 |
| totale | 4.324 | 118.446,97 | 27,39 | 93 |