| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 1.269 | 31.669,89 | 24,96 | 10 |
| 2007 | 825 | 25.501,77 | 30,91 | 7 |
| 2008 | 526 | 21.548,65 | 40,97 | 8 |
| 2009 | 619 | 21.877,53 | 35,34 | 8 |
| 2010 | 793 | 22.204,87 | 28,00 | 10 |
| 2011 | 672 | 19.423,82 | 28,90 | 8 |
| 2012 | 667 | 18.119,88 | 27,17 | 11 |
| 2013 | 862 | 21.340,80 | 24,76 | 12 |
| 2014 | 869 | 26.500,91 | 30,50 | 14 |
| 2015 | 798 | 25.385,09 | 31,81 | 14 |
| 2016 | 828 | 26.343,49 | 31,82 | 15 |
| 2017 | 785 | 25.555,14 | 32,55 | 14 |
| 2018 | 898 | 28.132,73 | 31,33 | 15 |
| 2019 | 880 | 30.934,96 | 35,15 | 15 |
| 2020 | 984 | 34.464,95 | 35,03 | 16 |
| 2021 | 1.029 | 34.685,83 | 33,71 | 15 |
| 2022 | 994 | 33.423,27 | 33,63 | 15 |
| 2023 | 1.164 | 44.942,64 | 38,61 | 17 |
| 2024 | 1.185 | 38.954,07 | 32,87 | 18 |
| totale | 16.647 | 531.010,29 | 31,90 | 242 |