| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 96 | 1.930,10 | 20,11 | 2 |
| 2007 | 41 | 1.157,32 | 28,23 | 2 |
| 2008 | 31 | 2.106,62 | 67,96 | 1 |
| 2009 | 41 | 2.228,71 | 54,36 | 2 |
| 2010 | 56 | 2.455,01 | 43,84 | 3 |
| 2011 | 39 | 1.092,70 | 28,02 | 2 |
| 2012 | 39 | 1.000,16 | 25,65 | 2 |
| 2013 | 39 | 1.036,67 | 26,58 | 2 |
| 2014 | 44 | 1.297,31 | 29,48 | 3 |
| 2015 | 46 | 1.400,63 | 30,45 | 3 |
| 2016 | 64 | 1.856,43 | 29,01 | 3 |
| 2017 | 67 | 2.167,44 | 32,35 | 3 |
| 2018 | 60 | 1.588,78 | 26,48 | 3 |
| 2019 | 72 | 1.548,01 | 21,50 | 3 |
| 2020 | 60 | 1.530,08 | 25,50 | 3 |
| 2021 | 54 | 1.132,92 | 20,98 | 4 |
| 2022 | 62 | 1.452,81 | 23,43 | 4 |
| 2023 | 53 | 1.198,01 | 22,60 | 4 |
| 2024 | 51 | 1.254,17 | 24,59 | 3 |
| totale | 1.015 | 29.433,88 | 29,00 | 52 |