| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 37 | 1.419,05 | 38,35 | 1 |
| 2009 | 10 | 440,60 | 44,06 | 1 |
| 2010 | 13 | 532,88 | 40,99 | 1 |
| 2011 | 10 | 294,18 | 29,42 | 1 |
| 2012 | 54 | 916,59 | 16,97 | 2 |
| 2013 | 51 | 1.194,45 | 23,42 | 2 |
| 2014 | 48 | 1.339,52 | 27,91 | 2 |
| 2015 | 83 | 1.800,29 | 21,69 | 3 |
| 2016 | 82 | 2.076,58 | 25,32 | 4 |
| 2017 | 195 | 3.722,78 | 19,09 | 4 |
| 2018 | 217 | 4.739,83 | 21,84 | 4 |
| 2019 | 238 | 4.696,85 | 19,73 | 4 |
| 2020 | 218 | 4.984,46 | 22,86 | 4 |
| 2021 | 258 | 5.345,43 | 20,72 | 5 |
| 2022 | 244 | 5.490,57 | 22,50 | 5 |
| 2023 | 238 | 4.681,88 | 19,67 | 4 |
| 2024 | 251 | 4.801,98 | 19,13 | 4 |
| totale | 2.247 | 48.477,92 | 21,57 | 51 |