| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 112 | 2.523,34 | 22,53 | 4 |
| 2007 | 104 | 2.195,96 | 21,12 | 2 |
| 2008 | 205 | 4.571,91 | 22,30 | 3 |
| 2009 | 151 | 2.988,33 | 19,79 | 4 |
| 2010 | 227 | 4.488,19 | 19,77 | 4 |
| 2011 | 207 | 4.185,77 | 20,22 | 3 |
| 2012 | 195 | 3.987,33 | 20,45 | 4 |
| 2013 | 273 | 5.216,43 | 19,11 | 5 |
| 2014 | 250 | 5.817,54 | 23,27 | 5 |
| 2015 | 262 | 6.187,49 | 23,62 | 5 |
| 2016 | 231 | 5.986,39 | 25,92 | 4 |
| 2017 | 210 | 4.134,22 | 19,69 | 4 |
| 2018 | 222 | 4.455,27 | 20,07 | 5 |
| 2019 | 263 | 6.605,79 | 25,12 | 5 |
| 2020 | 247 | 6.649,22 | 26,92 | 5 |
| 2021 | 203 | 4.058,91 | 19,99 | 5 |
| 2022 | 130 | 2.916,55 | 22,44 | 4 |
| 2023 | 140 | 3.110,90 | 22,22 | 4 |
| 2024 | 180 | 4.082,80 | 22,68 | 5 |
| totale | 3.812 | 84.162,34 | 22,08 | 80 |