| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 100 | 2.343,27 | 23,43 | 2 |
| 2007 | 82 | 2.397,38 | 29,24 | 1 |
| 2008 | 100 | 2.295,73 | 22,96 | 1 |
| 2009 | 106 | 2.513,05 | 23,71 | 2 |
| 2010 | 87 | 1.692,06 | 19,45 | 2 |
| 2011 | 91 | 1.715,66 | 18,85 | 1 |
| 2012 | 90 | 1.715,05 | 19,06 | 2 |
| 2013 | 77 | 1.624,24 | 21,09 | 2 |
| 2014 | 85 | 1.683,46 | 19,81 | 2 |
| 2015 | 68 | 1.574,90 | 23,16 | 2 |
| 2016 | 69 | 1.620,88 | 23,49 | 2 |
| 2017 | 65 | 1.745,54 | 26,85 | 2 |
| 2018 | 64 | 1.620,03 | 25,31 | 2 |
| 2019 | 69 | 1.590,04 | 23,04 | 2 |
| 2020 | 69 | 1.831,81 | 26,55 | 2 |
| 2021 | 55 | 1.339,10 | 24,35 | 2 |
| 2022 | 21 | 625,88 | 29,80 | 1 |
| 2023 | 14 | 185,24 | 13,23 | 2 |
| 2024 | 62 | 1.704,58 | 27,49 | 3 |
| totale | 1.374 | 31.817,90 | 23,16 | 35 |