| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 428 | 8.330,88 | 19,46 | 4 |
| 2007 | 257 | 5.765,20 | 22,43 | 3 |
| 2008 | 207 | 4.871,70 | 23,53 | 3 |
| 2009 | 174 | 4.635,22 | 26,64 | 3 |
| 2010 | 174 | 3.915,59 | 22,50 | 4 |
| 2011 | 160 | 3.793,58 | 23,71 | 3 |
| 2012 | 139 | 3.444,11 | 24,78 | 4 |
| 2013 | 184 | 3.681,25 | 20,01 | 5 |
| 2014 | 153 | 3.520,98 | 23,01 | 4 |
| 2015 | 27 | 635,29 | 23,53 | 4 |
| 2016 | 159 | 3.946,73 | 24,82 | 4 |
| 2017 | 163 | 4.045,16 | 24,82 | 5 |
| 2018 | 154 | 3.557,40 | 23,10 | 4 |
| 2019 | 147 | 3.425,72 | 23,30 | 4 |
| 2020 | 152 | 3.444,71 | 22,66 | 4 |
| 2021 | 152 | 3.632,52 | 23,90 | 4 |
| 2022 | 164 | 5.485,07 | 33,45 | 4 |
| 2023 | 154 | 4.602,44 | 29,89 | 4 |
| 2024 | 154 | 4.146,86 | 26,93 | 4 |
| totale | 3.302 | 78.880,41 | 23,89 | 74 |