| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 10 | 161,38 | 16,14 | 1 |
| 2007 | 52 | 1.868,54 | 35,93 | 1 |
| 2008 | 57 | 1.796,06 | 31,51 | 1 |
| 2009 | 58 | 1.726,10 | 29,76 | 3 |
| 2010 | 50 | 1.326,63 | 26,53 | 2 |
| 2011 | 49 | 1.529,26 | 31,21 | 1 |
| 2012 | 36 | 1.215,55 | 33,77 | 2 |
| 2013 | 8 | 149,56 | 18,70 | 1 |
| 2014 | 43 | 1.726,48 | 40,15 | 2 |
| 2015 | 33 | 1.187,92 | 36,00 | 2 |
| 2016 | 36 | 1.298,56 | 36,07 | 2 |
| 2017 | 33 | 1.195,54 | 36,23 | 2 |
| 2018 | 37 | 1.161,56 | 31,39 | 2 |
| 2019 | 35 | 1.257,35 | 35,92 | 2 |
| 2020 | 31 | 1.335,33 | 43,08 | 2 |
| 2021 | 22 | 1.078,78 | 49,04 | 2 |
| 2022 | 26 | 1.263,64 | 48,60 | 2 |
| 2023 | 35 | 1.332,82 | 38,08 | 2 |
| 2024 | 40 | 1.518,37 | 37,96 | 2 |
| totale | 691 | 24.129,43 | 34,92 | 34 |