| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 165 | 3.661,75 | 22,19 | 2 |
| 2007 | 110 | 2.623,39 | 23,85 | 1 |
| 2008 | 121 | 3.247,19 | 26,84 | 1 |
| 2009 | 127 | 3.146,19 | 24,77 | 2 |
| 2010 | 250 | 4.854,34 | 19,42 | 2 |
| 2011 | 220 | 3.739,18 | 17,00 | 1 |
| 2012 | 238 | 3.946,20 | 16,58 | 2 |
| 2013 | 213 | 3.758,74 | 17,65 | 2 |
| 2014 | 190 | 4.373,33 | 23,02 | 2 |
| 2015 | 186 | 4.138,86 | 22,25 | 2 |
| 2016 | 195 | 4.407,08 | 22,60 | 2 |
| 2017 | 176 | 3.838,37 | 21,81 | 2 |
| 2018 | 174 | 4.202,60 | 24,15 | 2 |
| 2019 | 172 | 3.803,33 | 22,11 | 2 |
| 2020 | 178 | 4.677,08 | 26,28 | 2 |
| 2021 | 158 | 4.250,77 | 26,90 | 2 |
| 2022 | 145 | 3.821,27 | 26,35 | 2 |
| 2023 | 140 | 3.446,56 | 24,62 | 2 |
| 2024 | 125 | 2.647,91 | 21,18 | 3 |
| totale | 3.283 | 72.584,14 | 22,11 | 36 |