| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 44 | 1.385,11 | 31,48 | 2 |
| 2007 | 56 | 2.839,20 | 50,70 | 1 |
| 2008 | 40 | 1.577,50 | 39,44 | 1 |
| 2009 | 27 | 890,68 | 32,99 | 2 |
| 2010 | 27 | 796,49 | 29,50 | 2 |
| 2011 | 38 | 800,26 | 21,06 | 1 |
| 2012 | 39 | 977,67 | 25,07 | 3 |
| 2013 | 53 | 1.565,53 | 29,54 | 2 |
| 2014 | 54 | 2.055,21 | 38,06 | 3 |
| 2015 | 49 | 1.741,46 | 35,54 | 2 |
| 2016 | 43 | 1.601,70 | 37,25 | 2 |
| 2017 | 48 | 2.071,03 | 43,15 | 2 |
| 2018 | 46 | 2.132,80 | 46,37 | 2 |
| 2019 | 43 | 1.541,34 | 35,85 | 2 |
| 2020 | 35 | 1.333,09 | 38,09 | 2 |
| 2021 | 83 | 2.395,06 | 28,86 | 2 |
| 2022 | 43 | 1.290,76 | 30,02 | 2 |
| 2023 | 21 | 582,83 | 27,75 | 4 |
| 2024 | 18 | 591,93 | 32,89 | 4 |
| totale | 807 | 28.169,65 | 34,91 | 41 |