| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 911 | 17.908,78 | 19,66 | 7 |
| 2007 | 636 | 16.492,54 | 25,93 | 6 |
| 2008 | 695 | 17.151,61 | 24,68 | 6 |
| 2009 | 761 | 18.629,32 | 24,48 | 5 |
| 2010 | 740 | 15.915,03 | 21,51 | 8 |
| 2011 | 764 | 15.837,52 | 20,73 | 5 |
| 2012 | 768 | 16.590,59 | 21,60 | 8 |
| 2013 | 770 | 14.416,65 | 18,72 | 6 |
| 2014 | 752 | 18.124,38 | 24,10 | 7 |
| 2015 | 766 | 18.265,37 | 23,85 | 7 |
| 2016 | 791 | 18.566,93 | 23,47 | 8 |
| 2017 | 783 | 18.804,51 | 24,02 | 8 |
| 2018 | 775 | 17.856,97 | 23,04 | 9 |
| 2019 | 941 | 30.194,35 | 32,09 | 10 |
| 2020 | 933 | 31.962,25 | 34,26 | 11 |
| 2021 | 945 | 29.743,28 | 31,47 | 10 |
| 2022 | 886 | 30.230,11 | 34,12 | 11 |
| 2023 | 848 | 27.621,11 | 32,57 | 11 |
| 2024 | 817 | 23.885,85 | 29,24 | 11 |
| totale | 15.282 | 398.197,15 | 26,06 | 154 |