| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 73 | 1.924,80 | 26,37 | 2 |
| 2009 | 53 | 1.313,24 | 24,78 | 2 |
| 2010 | 90 | 1.859,29 | 20,66 | 2 |
| 2011 | 77 | 1.624,15 | 21,09 | 1 |
| 2012 | 74 | 1.543,05 | 20,85 | 2 |
| 2013 | 81 | 1.689,11 | 20,85 | 2 |
| 2014 | 71 | 1.849,80 | 26,05 | 2 |
| 2015 | 62 | 2.028,42 | 32,72 | 2 |
| 2016 | 60 | 1.642,71 | 27,38 | 2 |
| 2017 | 82 | 2.241,72 | 27,34 | 2 |
| 2018 | 65 | 1.720,51 | 26,47 | 2 |
| 2019 | 57 | 1.379,48 | 24,20 | 2 |
| 2020 | 44 | 1.421,34 | 32,30 | 2 |
| 2021 | 42 | 1.265,77 | 30,14 | 2 |
| 2022 | 15 | 379,47 | 25,30 | 1 |
| 2023 | 15 | 406,47 | 27,10 | 1 |
| 2024 | 17 | 400,63 | 23,57 | 1 |
| totale | 978 | 24.689,96 | 25,25 | 30 |