| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 438 | 9.656,87 | 22,05 | 3 |
| 2007 | 194 | 5.958,87 | 30,72 | 1 |
| 2008 | 269 | 8.427,68 | 31,33 | 1 |
| 2009 | 130 | 4.243,39 | 32,64 | 2 |
| 2010 | 126 | 3.205,35 | 25,44 | 2 |
| 2011 | 86 | 2.424,35 | 28,19 | 2 |
| 2012 | 175 | 4.969,40 | 28,40 | 3 |
| 2013 | 205 | 5.761,68 | 28,11 | 3 |
| 2014 | 196 | 6.572,24 | 33,53 | 3 |
| 2015 | 178 | 6.069,20 | 34,10 | 3 |
| 2016 | 192 | 6.798,65 | 35,41 | 3 |
| 2017 | 161 | 6.768,81 | 42,04 | 3 |
| 2018 | 150 | 6.382,48 | 42,55 | 3 |
| 2019 | 144 | 5.797,52 | 40,26 | 3 |
| 2020 | 140 | 5.522,75 | 39,45 | 3 |
| 2021 | 129 | 4.744,25 | 36,78 | 3 |
| 2022 | 130 | 4.765,39 | 36,66 | 3 |
| 2023 | 151 | 4.779,88 | 31,65 | 3 |
| 2024 | 143 | 4.534,31 | 31,71 | 3 |
| totale | 3.337 | 107.383,07 | 32,18 | 50 |