| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 161 | 1.915,21 | 11,90 | 2 |
| 2007 | 143 | 3.888,56 | 27,19 | 1 |
| 2008 | 175 | 3.851,74 | 22,01 | 2 |
| 2009 | 253 | 5.547,63 | 21,93 | 2 |
| 2010 | 291 | 4.754,54 | 16,34 | 2 |
| 2011 | 289 | 4.524,73 | 15,66 | 1 |
| 2012 | 306 | 5.566,48 | 18,19 | 3 |
| 2013 | 293 | 4.975,73 | 16,98 | 3 |
| 2014 | 260 | 5.568,02 | 21,42 | 4 |
| 2015 | 248 | 5.434,43 | 21,91 | 4 |
| 2016 | 237 | 5.046,30 | 21,29 | 3 |
| 2017 | 226 | 4.981,35 | 22,04 | 2 |
| 2018 | 217 | 4.530,43 | 20,88 | 3 |
| 2019 | 204 | 4.360,00 | 21,37 | 3 |
| 2020 | 189 | 4.395,74 | 23,26 | 3 |
| 2021 | 194 | 4.759,27 | 24,53 | 3 |
| 2022 | 179 | 4.619,62 | 25,81 | 4 |
| 2023 | 179 | 4.648,14 | 25,97 | 4 |
| 2024 | 188 | 4.389,56 | 23,35 | 4 |
| totale | 4.232 | 87.757,48 | 20,74 | 53 |