| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 353 | 4.262,24 | 12,07 | 1 |
| 2009 | 146 | 1.528,79 | 10,47 | 1 |
| 2010 | 135 | 1.377,06 | 10,20 | 1 |
| 2012 | 98 | 1.364,11 | 13,92 | 1 |
| 2013 | 98 | 1.397,64 | 14,26 | 1 |
| 2014 | 80 | 1.301,99 | 16,27 | 1 |
| 2015 | 57 | 1.211,78 | 21,26 | 1 |
| 2016 | 46 | 1.126,49 | 24,49 | 1 |
| 2017 | 42 | 772,71 | 18,40 | 1 |
| 2018 | 50 | 1.025,89 | 20,52 | 1 |
| 2019 | 47 | 991,59 | 21,10 | 1 |
| 2020 | 52 | 972,22 | 18,70 | 1 |
| 2021 | 43 | 908,75 | 21,13 | 1 |
| 2022 | 32 | 911,42 | 28,48 | 1 |
| 2023 | 53 | 1.368,76 | 25,83 | 4 |
| 2024 | 71 | 1.522,93 | 21,45 | 4 |
| totale | 1.403 | 22.044,37 | 15,71 | 22 |