| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 8 | 96,30 | 12,04 | 1 |
| 2008 | 209 | 4.728,00 | 22,62 | 1 |
| 2009 | 174 | 5.076,29 | 29,17 | 2 |
| 2010 | 113 | 3.426,58 | 30,32 | 2 |
| 2011 | 115 | 3.054,47 | 26,56 | 1 |
| 2012 | 90 | 2.952,43 | 32,80 | 3 |
| 2013 | 169 | 4.494,91 | 26,60 | 3 |
| 2014 | 239 | 8.257,02 | 34,55 | 3 |
| 2015 | 218 | 7.259,42 | 33,30 | 3 |
| 2016 | 230 | 6.745,16 | 29,33 | 3 |
| 2017 | 195 | 6.292,99 | 32,27 | 3 |
| 2018 | 197 | 6.844,62 | 34,74 | 3 |
| 2019 | 175 | 9.649,75 | 55,14 | 3 |
| 2020 | 146 | 5.527,82 | 37,86 | 3 |
| 2021 | 137 | 4.635,59 | 33,84 | 3 |
| 2022 | 167 | 5.888,11 | 35,26 | 3 |
| 2023 | 187 | 6.008,35 | 32,13 | 3 |
| 2024 | 167 | 6.062,93 | 36,30 | 3 |
| totale | 2.936 | 97.000,74 | 33,04 | 46 |