| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 205 | 2.787,95 | 13,60 | 1 |
| 2007 | 877 | 14.870,08 | 16,96 | 1 |
| 2008 | 724 | 12.678,16 | 17,51 | 1 |
| 2009 | 798 | 14.407,97 | 18,06 | 2 |
| 2010 | 820 | 11.475,72 | 13,99 | 4 |
| 2011 | 577 | 7.897,85 | 13,69 | 3 |
| 2012 | 979 | 13.610,19 | 13,90 | 4 |
| 2013 | 966 | 12.687,15 | 13,13 | 2 |
| 2014 | 857 | 14.828,09 | 17,30 | 3 |
| 2015 | 942 | 16.634,31 | 17,66 | 2 |
| 2016 | 984 | 19.455,90 | 19,77 | 2 |
| 2017 | 1.040 | 19.143,34 | 18,41 | 2 |
| 2018 | 751 | 13.775,18 | 18,34 | 3 |
| 2019 | 880 | 16.413,04 | 18,65 | 3 |
| 2020 | 853 | 18.000,19 | 21,10 | 3 |
| 2021 | 876 | 18.009,00 | 20,56 | 4 |
| 2022 | 877 | 19.140,43 | 21,82 | 4 |
| 2023 | 901 | 17.527,00 | 19,45 | 5 |
| 2024 | 834 | 15.567,42 | 18,67 | 6 |
| totale | 15.741 | 278.908,97 | 17,72 | 55 |