| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 1.296 | 19.973,01 | 15,41 | 3 |
| 2007 | 232 | 10.933,29 | 47,13 | 2 |
| 2008 | 861 | 21.534,57 | 25,01 | 4 |
| 2009 | 899 | 19.194,37 | 21,35 | 4 |
| 2010 | 650 | 11.470,97 | 17,65 | 3 |
| 2011 | 135 | 2.673,20 | 19,80 | 1 |
| 2012 | 715 | 14.782,83 | 20,68 | 6 |
| 2013 | 690 | 13.048,01 | 18,91 | 6 |
| 2014 | 835 | 19.717,90 | 23,61 | 10 |
| 2015 | 603 | 15.274,16 | 25,33 | 8 |
| 2016 | 684 | 17.834,95 | 26,07 | 10 |
| 2017 | 786 | 19.208,90 | 24,44 | 10 |
| 2018 | 565 | 16.507,01 | 29,22 | 11 |
| 2019 | 675 | 21.156,05 | 31,34 | 11 |
| 2020 | 639 | 22.366,82 | 35,00 | 11 |
| 2021 | 779 | 28.820,33 | 37,00 | 13 |
| 2022 | 687 | 24.750,42 | 36,03 | 15 |
| 2023 | 1.129 | 32.089,95 | 28,42 | 19 |
| 2024 | 1.489 | 36.256,36 | 24,35 | 27 |
| totale | 14.349 | 367.593,10 | 25,62 | 174 |