| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 14 | 235,27 | 16,81 | 1 |
| 2009 | 6 | 95,45 | 15,91 | 1 |
| 2010 | 161 | 3.563,74 | 22,14 | 3 |
| 2012 | 32 | 783,47 | 24,48 | 3 |
| 2013 | 60 | 1.599,20 | 26,65 | 4 |
| 2014 | 27 | 1.068,64 | 39,58 | 2 |
| 2015 | 20 | 868,34 | 43,42 | 2 |
| 2016 | 94 | 2.616,63 | 27,84 | 3 |
| 2017 | 83 | 2.080,36 | 25,06 | 3 |
| 2018 | 42 | 1.089,93 | 25,95 | 2 |
| 2019 | 33 | 850,27 | 25,77 | 2 |
| 2020 | 29 | 928,72 | 32,02 | 2 |
| 2021 | 26 | 712,10 | 27,39 | 2 |
| 2022 | 21 | 671,14 | 31,96 | 2 |
| 2023 | 83 | 1.763,89 | 21,25 | 2 |
| 2024 | 73 | 1.561,06 | 21,38 | 2 |
| totale | 804 | 20.488,21 | 25,48 | 36 |