| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 873 | 23.947,15 | 27,43 | 5 |
| 2007 | 584 | 17.730,43 | 30,36 | 4 |
| 2008 | 715 | 23.292,41 | 32,58 | 5 |
| 2009 | 659 | 21.161,60 | 32,11 | 6 |
| 2010 | 713 | 20.026,13 | 28,09 | 6 |
| 2011 | 526 | 15.517,83 | 29,50 | 4 |
| 2012 | 682 | 24.625,98 | 36,11 | 6 |
| 2013 | 661 | 19.807,55 | 29,97 | 6 |
| 2014 | 676 | 24.049,33 | 35,58 | 6 |
| 2015 | 638 | 28.093,39 | 44,03 | 6 |
| 2016 | 782 | 33.841,28 | 43,28 | 7 |
| 2017 | 660 | 29.287,12 | 44,37 | 6 |
| 2018 | 678 | 29.299,02 | 43,21 | 6 |
| 2019 | 656 | 28.706,86 | 43,76 | 6 |
| 2020 | 613 | 29.330,96 | 47,85 | 6 |
| 2021 | 585 | 28.907,14 | 49,41 | 6 |
| 2022 | 564 | 29.072,64 | 51,55 | 6 |
| 2023 | 544 | 24.493,21 | 45,02 | 7 |
| 2024 | 550 | 22.961,11 | 41,75 | 7 |
| totale | 12.359 | 474.151,14 | 38,36 | 111 |