| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 203 | 4.131,73 | 20,35 | 2 |
| 2007 | 552 | 13.092,87 | 23,72 | 2 |
| 2008 | 800 | 17.597,96 | 22,00 | 2 |
| 2009 | 803 | 16.718,52 | 20,82 | 3 |
| 2010 | 1.032 | 18.926,23 | 18,34 | 3 |
| 2011 | 1.092 | 19.026,84 | 17,42 | 2 |
| 2012 | 1.038 | 18.885,76 | 18,19 | 3 |
| 2013 | 1.031 | 16.719,19 | 16,22 | 3 |
| 2014 | 998 | 20.356,51 | 20,40 | 3 |
| 2015 | 980 | 19.687,43 | 20,09 | 3 |
| 2016 | 969 | 20.114,86 | 20,76 | 3 |
| 2017 | 860 | 17.885,10 | 20,80 | 3 |
| 2018 | 812 | 16.398,48 | 20,20 | 3 |
| 2019 | 820 | 16.478,78 | 20,10 | 4 |
| 2020 | 807 | 18.154,56 | 22,50 | 4 |
| 2021 | 750 | 16.062,16 | 21,42 | 4 |
| 2022 | 740 | 16.365,25 | 22,12 | 4 |
| 2023 | 753 | 17.085,01 | 22,69 | 4 |
| 2024 | 820 | 16.939,64 | 20,66 | 7 |
| totale | 15.860 | 320.626,88 | 20,22 | 62 |