| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 193 | 4.357,41 | 22,58 | 3 |
| 2007 | 324 | 10.609,99 | 32,75 | 5 |
| 2008 | 367 | 12.830,22 | 34,96 | 4 |
| 2009 | 452 | 14.671,03 | 32,46 | 6 |
| 2010 | 528 | 15.166,96 | 28,73 | 7 |
| 2011 | 522 | 15.565,25 | 29,82 | 6 |
| 2012 | 555 | 17.401,33 | 31,35 | 6 |
| 2013 | 576 | 15.977,14 | 27,74 | 7 |
| 2014 | 689 | 23.645,11 | 34,32 | 8 |
| 2015 | 660 | 22.273,48 | 33,75 | 9 |
| 2016 | 764 | 25.999,33 | 34,03 | 9 |
| 2017 | 800 | 28.202,17 | 35,25 | 9 |
| 2018 | 825 | 28.922,87 | 35,06 | 10 |
| 2019 | 941 | 31.424,70 | 33,40 | 9 |
| 2020 | 910 | 31.354,95 | 34,46 | 9 |
| 2021 | 878 | 29.319,33 | 33,39 | 11 |
| 2022 | 755 | 24.737,13 | 32,76 | 9 |
| 2023 | 759 | 27.432,75 | 36,14 | 9 |
| 2024 | 776 | 24.889,36 | 32,07 | 10 |
| totale | 12.274 | 404.780,51 | 32,98 | 146 |