| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 125 | 2.133,17 | 17,07 | 2 |
| 2007 | 146 | 3.065,20 | 20,99 | 1 |
| 2008 | 140 | 2.832,79 | 20,23 | 1 |
| 2009 | 137 | 2.468,23 | 18,02 | 2 |
| 2010 | 156 | 2.633,47 | 16,88 | 2 |
| 2011 | 152 | 2.349,65 | 15,46 | 2 |
| 2012 | 168 | 4.038,82 | 24,04 | 3 |
| 2013 | 127 | 3.267,53 | 25,73 | 4 |
| 2014 | 153 | 3.047,96 | 19,92 | 4 |
| 2015 | 169 | 3.097,37 | 18,33 | 3 |
| 2016 | 186 | 3.891,10 | 20,92 | 3 |
| 2017 | 204 | 4.376,57 | 21,45 | 3 |
| 2018 | 217 | 4.678,97 | 21,56 | 3 |
| 2019 | 208 | 4.555,77 | 21,90 | 3 |
| 2020 | 186 | 4.334,18 | 23,30 | 3 |
| 2021 | 173 | 4.558,83 | 26,35 | 3 |
| 2022 | 166 | 4.558,88 | 27,46 | 3 |
| 2023 | 172 | 4.355,97 | 25,33 | 3 |
| 2024 | 166 | 4.390,67 | 26,45 | 3 |
| totale | 3.151 | 68.635,13 | 21,78 | 51 |