| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 248 | 4.926,02 | 19,86 | 2 |
| 2007 | 209 | 5.260,83 | 25,17 | 3 |
| 2008 | 197 | 5.471,69 | 27,78 | 4 |
| 2009 | 191 | 4.692,99 | 24,57 | 4 |
| 2010 | 206 | 4.054,30 | 19,68 | 4 |
| 2011 | 121 | 2.392,97 | 19,78 | 1 |
| 2012 | 142 | 3.443,99 | 24,25 | 5 |
| 2013 | 156 | 2.817,20 | 18,06 | 4 |
| 2014 | 160 | 3.801,20 | 23,76 | 4 |
| 2015 | 175 | 4.213,34 | 24,08 | 5 |
| 2016 | 184 | 4.202,69 | 22,84 | 7 |
| 2017 | 187 | 3.919,42 | 20,96 | 7 |
| 2018 | 178 | 3.739,08 | 21,01 | 7 |
| 2019 | 183 | 4.143,14 | 22,64 | 7 |
| 2020 | 179 | 4.160,86 | 23,25 | 7 |
| 2021 | 159 | 3.396,88 | 21,36 | 6 |
| 2022 | 156 | 3.190,75 | 20,45 | 6 |
| 2023 | 153 | 2.610,60 | 17,06 | 6 |
| 2024 | 146 | 2.507,04 | 17,17 | 6 |
| totale | 3.330 | 72.944,99 | 21,91 | 95 |