| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 113 | 1.958,18 | 17,33 | 1 |
| 2009 | 20 | 379,64 | 18,98 | 1 |
| 2010 | 24 | 377,84 | 15,74 | 2 |
| 2011 | 55 | 1.099,48 | 19,99 | 2 |
| 2012 | 171 | 3.528,09 | 20,63 | 2 |
| 2013 | 158 | 2.817,67 | 17,83 | 3 |
| 2014 | 16 | 343,46 | 21,47 | 1 |
| 2015 | 0 | 0,00 | 0,00 | 1 |
| 2016 | 196 | 4.737,20 | 24,17 | 2 |
| 2017 | 152 | 3.670,02 | 24,14 | 2 |
| 2018 | 168 | 4.091,28 | 24,35 | 2 |
| 2019 | 180 | 4.754,58 | 26,41 | 2 |
| 2020 | 180 | 5.045,19 | 28,03 | 3 |
| 2021 | 178 | 4.910,65 | 27,59 | 5 |
| 2022 | 45 | 994,14 | 22,09 | 4 |
| 2023 | 36 | 938,41 | 26,07 | 5 |
| 2024 | 38 | 1.922,91 | 50,60 | 5 |
| totale | 1.730 | 41.568,74 | 24,03 | 43 |