| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 955 | 18.480,30 | 19,35 | 3 |
| 2007 | 165 | 3.373,53 | 20,45 | 2 |
| 2008 | 311 | 8.168,34 | 26,26 | 2 |
| 2009 | 681 | 14.662,06 | 21,53 | 4 |
| 2010 | 686 | 12.875,61 | 18,77 | 7 |
| 2011 | 232 | 4.585,64 | 19,77 | 4 |
| 2012 | 869 | 18.138,69 | 20,87 | 8 |
| 2013 | 748 | 14.897,23 | 19,92 | 6 |
| 2014 | 646 | 14.875,24 | 23,03 | 5 |
| 2015 | 813 | 20.763,77 | 25,54 | 11 |
| 2016 | 837 | 19.371,54 | 23,14 | 10 |
| 2017 | 854 | 23.132,41 | 27,09 | 11 |
| 2018 | 917 | 23.070,37 | 25,16 | 13 |
| 2019 | 929 | 24.100,92 | 25,94 | 13 |
| 2020 | 908 | 24.120,95 | 26,56 | 13 |
| 2021 | 1.017 | 26.407,04 | 25,97 | 15 |
| 2022 | 964 | 25.428,97 | 26,38 | 15 |
| 2023 | 929 | 25.229,42 | 27,16 | 15 |
| 2024 | 852 | 21.324,27 | 25,03 | 16 |
| totale | 14.313 | 343.006,30 | 23,96 | 173 |