| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 189 | 3.113,55 | 16,47 | 2 |
| 2007 | 93 | 1.934,51 | 20,80 | 1 |
| 2008 | 155 | 2.618,09 | 16,89 | 2 |
| 2009 | 201 | 3.050,42 | 15,18 | 4 |
| 2010 | 202 | 2.845,59 | 14,09 | 2 |
| 2011 | 187 | 2.369,48 | 12,67 | 2 |
| 2012 | 197 | 2.910,74 | 14,78 | 3 |
| 2013 | 274 | 4.468,76 | 16,31 | 2 |
| 2014 | 299 | 5.842,42 | 19,54 | 2 |
| 2015 | 243 | 4.931,57 | 20,29 | 2 |
| 2016 | 221 | 4.147,35 | 18,77 | 2 |
| 2017 | 214 | 3.967,05 | 18,54 | 2 |
| 2018 | 210 | 3.681,44 | 17,53 | 2 |
| 2019 | 217 | 3.867,57 | 17,82 | 2 |
| 2020 | 210 | 4.092,34 | 19,49 | 2 |
| 2021 | 233 | 4.566,78 | 19,60 | 4 |
| 2022 | 238 | 4.384,02 | 18,42 | 5 |
| 2023 | 225 | 3.908,19 | 17,37 | 5 |
| 2024 | 243 | 4.361,83 | 17,95 | 6 |
| totale | 4.051 | 71.061,70 | 17,54 | 52 |