| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 197 | 4.646,75 | 23,59 | 2 |
| 2008 | 116 | 3.100,90 | 26,73 | 1 |
| 2009 | 158 | 4.186,60 | 26,50 | 2 |
| 2010 | 162 | 2.900,71 | 17,91 | 2 |
| 2011 | 117 | 2.157,87 | 18,44 | 1 |
| 2012 | 120 | 2.530,51 | 21,09 | 2 |
| 2013 | 102 | 1.986,21 | 19,47 | 2 |
| 2014 | 85 | 2.200,52 | 25,89 | 2 |
| 2015 | 83 | 2.060,96 | 24,83 | 3 |
| 2016 | 80 | 1.909,21 | 23,87 | 2 |
| 2017 | 66 | 1.523,12 | 23,08 | 2 |
| 2018 | 62 | 1.444,66 | 23,30 | 2 |
| 2019 | 69 | 1.925,73 | 27,91 | 2 |
| 2020 | 61 | 1.691,09 | 27,72 | 2 |
| 2021 | 62 | 1.540,73 | 24,85 | 2 |
| 2022 | 8 | 142,19 | 17,77 | 2 |
| 2023 | 21 | 1.209,05 | 57,57 | 2 |
| 2024 | 22 | 565,76 | 25,72 | 2 |
| totale | 1.591 | 37.722,57 | 23,71 | 35 |