| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 324 | 4.588,37 | 14,16 | 2 |
| 2007 | 179 | 3.361,31 | 18,78 | 1 |
| 2008 | 152 | 3.216,37 | 21,16 | 1 |
| 2009 | 248 | 4.033,10 | 16,26 | 3 |
| 2010 | 129 | 1.920,44 | 14,89 | 2 |
| 2011 | 227 | 3.393,83 | 14,95 | 2 |
| 2012 | 164 | 2.671,31 | 16,29 | 3 |
| 2013 | 107 | 2.019,50 | 18,87 | 2 |
| 2014 | 154 | 2.466,51 | 16,02 | 2 |
| 2015 | 203 | 3.737,65 | 18,41 | 3 |
| 2016 | 54 | 1.110,60 | 20,57 | 1 |
| 2017 | 159 | 3.200,19 | 20,13 | 3 |
| 2018 | 151 | 3.108,87 | 20,59 | 3 |
| 2019 | 153 | 3.359,57 | 21,96 | 3 |
| 2020 | 118 | 2.519,90 | 21,36 | 3 |
| 2021 | 123 | 2.951,84 | 24,00 | 5 |
| 2022 | 105 | 2.455,36 | 23,38 | 4 |
| 2023 | 91 | 2.061,85 | 22,66 | 4 |
| 2024 | 99 | 1.731,57 | 17,49 | 4 |
| totale | 2.940 | 53.908,14 | 18,34 | 51 |