| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 34 | 537,66 | 15,81 | 1 |
| 2007 | 60 | 1.551,78 | 25,86 | 1 |
| 2008 | 157 | 3.508,60 | 22,35 | 1 |
| 2009 | 138 | 3.137,22 | 22,73 | 2 |
| 2010 | 114 | 2.422,16 | 21,25 | 2 |
| 2011 | 115 | 2.217,22 | 19,28 | 1 |
| 2012 | 95 | 1.871,41 | 19,70 | 2 |
| 2013 | 82 | 1.947,45 | 23,75 | 2 |
| 2014 | 93 | 2.377,28 | 25,56 | 2 |
| 2015 | 173 | 3.834,44 | 22,16 | 2 |
| 2016 | 147 | 3.912,68 | 26,62 | 2 |
| 2017 | 184 | 3.954,37 | 21,49 | 2 |
| 2018 | 154 | 3.302,26 | 21,44 | 2 |
| 2019 | 167 | 3.342,39 | 20,01 | 2 |
| 2020 | 126 | 2.744,57 | 21,78 | 2 |
| 2021 | 105 | 2.171,96 | 20,69 | 2 |
| 2022 | 123 | 3.672,81 | 29,86 | 2 |
| 2023 | 146 | 3.859,14 | 26,43 | 2 |
| 2024 | 137 | 3.780,95 | 27,60 | 2 |
| totale | 2.350 | 54.146,35 | 23,04 | 34 |