| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 207 | 4.151,96 | 20,06 | 2 |
| 2007 | 161 | 3.312,81 | 20,58 | 2 |
| 2008 | 203 | 4.172,84 | 20,56 | 2 |
| 2009 | 201 | 3.969,26 | 19,75 | 3 |
| 2010 | 213 | 3.486,53 | 16,37 | 3 |
| 2011 | 224 | 3.746,26 | 16,72 | 2 |
| 2012 | 247 | 4.326,90 | 17,52 | 3 |
| 2013 | 238 | 4.054,91 | 17,04 | 3 |
| 2014 | 237 | 5.266,86 | 22,22 | 3 |
| 2015 | 212 | 4.745,45 | 22,38 | 3 |
| 2016 | 204 | 4.470,44 | 21,91 | 3 |
| 2017 | 191 | 4.487,33 | 23,49 | 3 |
| 2018 | 197 | 4.342,70 | 22,04 | 3 |
| 2019 | 212 | 4.472,06 | 21,09 | 3 |
| 2020 | 184 | 4.173,39 | 22,68 | 3 |
| 2021 | 172 | 3.686,91 | 21,44 | 3 |
| 2022 | 151 | 3.287,91 | 21,77 | 4 |
| 2023 | 169 | 4.242,12 | 25,10 | 6 |
| 2024 | 169 | 4.439,26 | 26,27 | 5 |
| totale | 3.792 | 78.835,90 | 20,79 | 59 |