| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 1.138 | 32.177,28 | 28,28 | 4 |
| 2007 | 929 | 28.666,92 | 30,86 | 3 |
| 2008 | 922 | 30.492,72 | 33,07 | 5 |
| 2009 | 1.065 | 41.189,64 | 38,68 | 8 |
| 2010 | 1.197 | 31.450,06 | 26,27 | 7 |
| 2011 | 1.138 | 32.032,50 | 28,15 | 5 |
| 2012 | 1.058 | 30.799,59 | 29,11 | 6 |
| 2013 | 995 | 28.576,77 | 28,72 | 6 |
| 2014 | 912 | 32.391,45 | 35,52 | 6 |
| 2015 | 786 | 27.980,73 | 35,60 | 6 |
| 2016 | 731 | 28.125,42 | 38,48 | 5 |
| 2017 | 647 | 23.989,18 | 37,08 | 5 |
| 2018 | 653 | 23.362,03 | 35,78 | 5 |
| 2019 | 745 | 23.784,37 | 31,93 | 5 |
| 2020 | 662 | 23.819,67 | 35,98 | 5 |
| 2021 | 701 | 23.506,49 | 33,53 | 6 |
| 2022 | 653 | 23.539,19 | 36,05 | 6 |
| 2023 | 605 | 22.013,19 | 36,39 | 7 |
| 2024 | 607 | 21.857,81 | 36,01 | 8 |
| totale | 16.144 | 529.755,01 | 32,81 | 108 |