| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 232 | 7.022,00 | 30,27 | 3 |
| 2007 | 121 | 5.507,62 | 45,52 | 2 |
| 2008 | 108 | 5.708,59 | 52,86 | 1 |
| 2009 | 237 | 8.145,21 | 34,37 | 2 |
| 2010 | 266 | 7.147,31 | 26,87 | 2 |
| 2011 | 134 | 4.141,45 | 30,91 | 1 |
| 2012 | 205 | 5.115,02 | 24,95 | 2 |
| 2013 | 188 | 4.901,45 | 26,07 | 3 |
| 2014 | 149 | 5.293,53 | 35,53 | 2 |
| 2015 | 145 | 3.959,90 | 27,31 | 2 |
| 2016 | 139 | 4.171,00 | 30,01 | 3 |
| 2017 | 166 | 4.784,61 | 28,82 | 4 |
| 2018 | 135 | 3.745,77 | 27,75 | 4 |
| 2019 | 164 | 4.427,83 | 27,00 | 4 |
| 2020 | 146 | 4.467,34 | 30,60 | 5 |
| 2021 | 136 | 4.114,84 | 30,26 | 5 |
| 2022 | 116 | 3.286,35 | 28,33 | 4 |
| 2023 | 129 | 3.273,08 | 25,37 | 4 |
| 2024 | 139 | 3.702,96 | 26,64 | 4 |
| totale | 3.055 | 92.915,86 | 30,41 | 57 |