| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 232 | 5.516,57 | 23,78 | 2 |
| 2007 | 136 | 4.037,45 | 29,69 | 1 |
| 2008 | 232 | 6.711,49 | 28,93 | 2 |
| 2009 | 257 | 6.431,81 | 25,03 | 3 |
| 2010 | 246 | 5.629,95 | 22,89 | 3 |
| 2011 | 218 | 4.963,34 | 22,77 | 2 |
| 2012 | 190 | 4.500,96 | 23,69 | 3 |
| 2013 | 194 | 4.361,40 | 22,48 | 3 |
| 2014 | 179 | 5.455,95 | 30,48 | 3 |
| 2015 | 169 | 4.923,35 | 29,13 | 3 |
| 2016 | 161 | 4.740,97 | 29,45 | 3 |
| 2017 | 145 | 4.389,59 | 30,27 | 3 |
| 2018 | 144 | 4.438,34 | 30,82 | 3 |
| 2019 | 87 | 3.070,59 | 35,29 | 2 |
| 2020 | 154 | 4.145,06 | 26,92 | 3 |
| 2021 | 184 | 5.501,72 | 29,90 | 4 |
| 2022 | 179 | 5.310,11 | 29,67 | 4 |
| 2023 | 171 | 5.209,78 | 30,47 | 6 |
| 2024 | 169 | 4.900,10 | 28,99 | 7 |
| totale | 3.447 | 94.238,53 | 27,34 | 60 |