| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 297 | 5.771,85 | 19,43 | 2 |
| 2007 | 278 | 5.563,30 | 20,01 | 2 |
| 2008 | 318 | 7.408,53 | 23,30 | 2 |
| 2009 | 630 | 13.998,07 | 22,22 | 5 |
| 2010 | 613 | 10.951,93 | 17,87 | 5 |
| 2011 | 673 | 12.405,00 | 18,43 | 4 |
| 2012 | 729 | 14.108,13 | 19,35 | 5 |
| 2013 | 759 | 12.869,66 | 16,96 | 5 |
| 2014 | 715 | 15.400,17 | 21,54 | 7 |
| 2015 | 768 | 17.438,42 | 22,71 | 7 |
| 2016 | 709 | 16.242,27 | 22,91 | 9 |
| 2017 | 772 | 16.142,53 | 20,91 | 8 |
| 2018 | 827 | 16.777,25 | 20,29 | 10 |
| 2019 | 850 | 18.961,34 | 22,31 | 10 |
| 2020 | 840 | 19.823,12 | 23,60 | 11 |
| 2021 | 785 | 19.291,86 | 24,58 | 11 |
| 2022 | 754 | 18.505,70 | 24,54 | 12 |
| 2023 | 814 | 18.295,69 | 22,48 | 13 |
| 2024 | 904 | 19.179,09 | 21,22 | 14 |
| totale | 13.035 | 279.133,91 | 21,41 | 142 |