| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 169 | 2.571,22 | 15,21 | 2 |
| 2007 | 179 | 3.552,72 | 19,85 | 1 |
| 2008 | 160 | 3.090,61 | 19,32 | 1 |
| 2009 | 158 | 2.905,46 | 18,39 | 2 |
| 2010 | 159 | 2.415,08 | 15,19 | 2 |
| 2012 | 145 | 2.340,69 | 16,14 | 2 |
| 2013 | 132 | 2.191,39 | 16,60 | 2 |
| 2014 | 121 | 2.451,22 | 20,26 | 2 |
| 2015 | 119 | 2.436,83 | 20,48 | 2 |
| 2016 | 118 | 2.347,66 | 19,90 | 2 |
| 2017 | 114 | 2.401,91 | 21,07 | 2 |
| 2018 | 118 | 2.396,16 | 20,31 | 3 |
| 2019 | 112 | 2.319,39 | 20,71 | 3 |
| 2020 | 116 | 2.336,77 | 20,14 | 2 |
| 2021 | 113 | 2.144,87 | 18,98 | 2 |
| 2022 | 106 | 2.284,69 | 21,55 | 3 |
| 2023 | 108 | 1.924,69 | 17,82 | 3 |
| 2024 | 105 | 1.988,36 | 18,94 | 3 |
| totale | 2.352 | 44.099,72 | 18,75 | 39 |