| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 365 | 6.042,12 | 16,55 | 2 |
| 2007 | 176 | 5.076,40 | 28,84 | 1 |
| 2008 | 203 | 5.562,27 | 27,40 | 1 |
| 2009 | 186 | 4.790,65 | 25,76 | 3 |
| 2010 | 187 | 3.995,71 | 21,37 | 4 |
| 2011 | 213 | 5.317,46 | 24,96 | 2 |
| 2012 | 223 | 5.318,43 | 23,85 | 4 |
| 2013 | 218 | 4.530,82 | 20,78 | 4 |
| 2014 | 233 | 5.522,98 | 23,70 | 4 |
| 2015 | 256 | 6.106,99 | 23,86 | 4 |
| 2016 | 249 | 6.034,97 | 24,24 | 5 |
| 2017 | 231 | 5.664,38 | 24,52 | 5 |
| 2018 | 239 | 6.089,27 | 25,48 | 5 |
| 2019 | 214 | 5.477,85 | 25,60 | 5 |
| 2020 | 200 | 5.290,27 | 26,45 | 5 |
| 2021 | 192 | 4.668,35 | 24,31 | 5 |
| 2022 | 192 | 6.353,46 | 33,09 | 5 |
| 2023 | 173 | 5.254,08 | 30,37 | 5 |
| 2024 | 185 | 4.153,28 | 22,45 | 6 |
| totale | 4.135 | 101.249,74 | 24,49 | 75 |