| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 698 | 20.543,27 | 29,43 | 2 |
| 2007 | 31 | 1.501,85 | 48,45 | 1 |
| 2008 | 43 | 1.313,49 | 30,55 | 1 |
| 2009 | 275 | 7.072,10 | 25,72 | 3 |
| 2010 | 484 | 10.314,94 | 21,31 | 5 |
| 2011 | 69 | 1.325,77 | 19,21 | 3 |
| 2012 | 1.147 | 37.533,62 | 32,72 | 6 |
| 2013 | 1.120 | 34.744,35 | 31,02 | 5 |
| 2014 | 1.109 | 41.305,42 | 37,25 | 6 |
| 2015 | 1.170 | 42.599,20 | 36,41 | 7 |
| 2016 | 1.094 | 40.697,03 | 37,20 | 4 |
| 2017 | 1.040 | 39.293,34 | 37,78 | 5 |
| 2018 | 944 | 35.604,48 | 37,72 | 7 |
| 2019 | 870 | 32.940,24 | 37,86 | 6 |
| 2020 | 808 | 31.806,84 | 39,36 | 6 |
| 2021 | 736 | 30.806,78 | 41,86 | 7 |
| 2022 | 736 | 31.876,35 | 43,31 | 5 |
| 2023 | 680 | 29.072,13 | 42,75 | 6 |
| 2024 | 661 | 27.536,65 | 41,66 | 6 |
| totale | 13.715 | 497.887,85 | 36,30 | 91 |