| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 275 | 4.077,81 | 14,83 | 6 |
| 2007 | 584 | 12.489,28 | 21,39 | 11 |
| 2008 | 871 | 19.465,86 | 22,35 | 13 |
| 2009 | 752 | 17.835,13 | 23,72 | 11 |
| 2010 | 807 | 16.415,21 | 20,34 | 11 |
| 2011 | 519 | 11.051,91 | 21,29 | 10 |
| 2012 | 665 | 12.867,58 | 19,35 | 13 |
| 2013 | 851 | 15.842,16 | 18,62 | 14 |
| 2014 | 680 | 16.006,70 | 23,54 | 16 |
| 2015 | 874 | 21.089,34 | 24,13 | 15 |
| 2016 | 1.080 | 27.985,47 | 25,91 | 16 |
| 2017 | 1.020 | 25.680,90 | 25,18 | 18 |
| 2018 | 864 | 20.260,76 | 23,45 | 17 |
| 2019 | 914 | 21.484,19 | 23,51 | 19 |
| 2020 | 948 | 23.337,82 | 24,62 | 24 |
| 2021 | 922 | 24.142,72 | 26,19 | 23 |
| 2022 | 934 | 23.369,73 | 25,02 | 21 |
| 2023 | 958 | 21.991,36 | 22,96 | 20 |
| 2024 | 1.081 | 23.793,28 | 22,01 | 25 |
| totale | 15.599 | 359.187,21 | 23,03 | 303 |