| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 86 | 3.584,07 | 41,68 | 5 |
| 2007 | 48 | 1.477,34 | 30,78 | 1 |
| 2008 | 91 | 2.723,41 | 29,93 | 2 |
| 2009 | 92 | 2.591,30 | 28,17 | 4 |
| 2010 | 108 | 2.811,56 | 26,03 | 4 |
| 2011 | 107 | 3.116,00 | 29,12 | 3 |
| 2012 | 127 | 3.980,94 | 31,35 | 4 |
| 2013 | 132 | 3.868,20 | 29,30 | 4 |
| 2014 | 137 | 4.694,26 | 34,26 | 4 |
| 2015 | 127 | 4.319,09 | 34,01 | 4 |
| 2016 | 142 | 5.395,34 | 38,00 | 4 |
| 2017 | 127 | 4.784,05 | 37,67 | 4 |
| 2018 | 134 | 4.636,12 | 34,60 | 4 |
| 2019 | 135 | 4.862,38 | 36,02 | 4 |
| 2020 | 128 | 4.745,99 | 37,08 | 5 |
| 2021 | 138 | 5.909,40 | 42,82 | 5 |
| 2022 | 135 | 5.142,43 | 38,09 | 5 |
| 2023 | 159 | 6.124,05 | 38,52 | 7 |
| 2024 | 164 | 6.096,26 | 37,17 | 7 |
| totale | 2.317 | 80.862,19 | 34,90 | 80 |