| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 57 | 1.231,61 | 21,61 | 1 |
| 2007 | 177 | 6.516,09 | 36,81 | 1 |
| 2008 | 249 | 10.649,97 | 42,77 | 1 |
| 2009 | 266 | 11.468,81 | 43,12 | 2 |
| 2010 | 264 | 8.536,36 | 32,33 | 2 |
| 2011 | 277 | 9.625,75 | 34,75 | 1 |
| 2012 | 332 | 11.679,49 | 35,18 | 3 |
| 2013 | 304 | 9.179,58 | 30,20 | 2 |
| 2014 | 290 | 11.853,07 | 40,87 | 2 |
| 2015 | 323 | 11.996,01 | 37,14 | 6 |
| 2016 | 243 | 10.568,78 | 43,49 | 4 |
| 2017 | 268 | 9.924,34 | 37,03 | 5 |
| 2018 | 249 | 9.378,61 | 37,67 | 5 |
| 2019 | 245 | 9.188,98 | 37,51 | 5 |
| 2020 | 215 | 8.236,54 | 38,31 | 5 |
| 2021 | 200 | 7.884,95 | 39,42 | 5 |
| 2022 | 158 | 5.822,46 | 36,85 | 3 |
| 2023 | 163 | 7.043,23 | 43,21 | 4 |
| 2024 | 151 | 6.186,48 | 40,97 | 4 |
| totale | 4.431 | 166.971,11 | 37,68 | 61 |