| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 603 | 8.557,19 | 14,19 | 6 |
| 2007 | 610 | 10.364,64 | 16,99 | 4 |
| 2008 | 1.299 | 22.901,21 | 17,63 | 4 |
| 2009 | 842 | 18.540,42 | 22,02 | 4 |
| 2010 | 823 | 14.640,50 | 17,79 | 5 |
| 2011 | 1.111 | 18.414,33 | 16,57 | 4 |
| 2012 | 1.047 | 19.285,25 | 18,42 | 6 |
| 2013 | 1.061 | 19.330,15 | 18,22 | 4 |
| 2014 | 936 | 22.222,68 | 23,74 | 5 |
| 2015 | 745 | 17.981,15 | 24,14 | 4 |
| 2016 | 914 | 22.445,23 | 24,56 | 4 |
| 2017 | 843 | 19.775,03 | 23,46 | 4 |
| 2018 | 790 | 19.272,11 | 24,40 | 4 |
| 2019 | 672 | 17.072,38 | 25,41 | 6 |
| 2020 | 715 | 17.945,78 | 25,10 | 6 |
| 2021 | 607 | 15.368,55 | 25,32 | 6 |
| 2022 | 571 | 16.073,26 | 28,15 | 7 |
| 2023 | 494 | 14.073,05 | 28,49 | 8 |
| 2024 | 461 | 12.852,29 | 27,88 | 8 |
| totale | 15.144 | 327.115,20 | 21,60 | 99 |