| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 301 | 6.099,72 | 20,26 | 2 |
| 2007 | 126 | 2.606,95 | 20,69 | 1 |
| 2008 | 132 | 2.413,13 | 18,28 | 1 |
| 2009 | 171 | 3.738,83 | 21,86 | 2 |
| 2010 | 163 | 2.795,12 | 17,15 | 2 |
| 2011 | 103 | 1.811,03 | 17,58 | 1 |
| 2012 | 176 | 3.262,64 | 18,54 | 2 |
| 2013 | 202 | 3.600,86 | 17,83 | 3 |
| 2014 | 241 | 7.781,66 | 32,29 | 4 |
| 2015 | 208 | 6.877,69 | 33,07 | 4 |
| 2016 | 231 | 8.485,30 | 36,73 | 4 |
| 2017 | 273 | 7.096,97 | 26,00 | 6 |
| 2018 | 305 | 8.320,28 | 27,28 | 6 |
| 2019 | 280 | 7.846,43 | 28,02 | 6 |
| 2020 | 258 | 7.534,96 | 29,21 | 7 |
| 2021 | 245 | 6.983,24 | 28,50 | 7 |
| 2022 | 239 | 6.797,21 | 28,44 | 8 |
| 2023 | 275 | 7.982,50 | 29,03 | 8 |
| 2024 | 279 | 6.943,96 | 24,89 | 9 |
| totale | 4.208 | 108.978,48 | 25,90 | 83 |