| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 384 | 6.587,08 | 17,15 | 1 |
| 2007 | 368 | 12.858,34 | 34,94 | 3 |
| 2008 | 295 | 11.291,01 | 38,27 | 4 |
| 2009 | 424 | 13.359,78 | 31,51 | 4 |
| 2010 | 727 | 18.097,80 | 24,89 | 5 |
| 2011 | 604 | 15.325,88 | 25,37 | 4 |
| 2012 | 732 | 19.689,82 | 26,90 | 6 |
| 2013 | 756 | 18.590,14 | 24,59 | 5 |
| 2014 | 876 | 29.059,01 | 33,17 | 5 |
| 2015 | 824 | 28.580,10 | 34,68 | 7 |
| 2016 | 932 | 31.632,30 | 33,94 | 6 |
| 2017 | 944 | 35.041,02 | 37,12 | 6 |
| 2018 | 960 | 35.669,18 | 37,16 | 6 |
| 2019 | 978 | 30.405,70 | 31,09 | 6 |
| 2020 | 887 | 28.759,08 | 32,42 | 6 |
| 2021 | 883 | 28.375,33 | 32,14 | 6 |
| 2022 | 915 | 29.667,18 | 32,42 | 7 |
| 2023 | 892 | 28.241,92 | 31,66 | 7 |
| 2024 | 910 | 27.485,10 | 30,20 | 8 |
| totale | 14.291 | 448.715,77 | 31,40 | 102 |