| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 381 | 9.240,80 | 24,25 | 5 |
| 2007 | 257 | 7.659,38 | 29,80 | 4 |
| 2008 | 265 | 5.556,40 | 20,97 | 2 |
| 2009 | 472 | 11.473,77 | 24,31 | 8 |
| 2010 | 644 | 13.506,64 | 20,97 | 9 |
| 2011 | 591 | 10.415,71 | 17,62 | 5 |
| 2012 | 733 | 15.005,13 | 20,47 | 7 |
| 2013 | 660 | 14.351,06 | 21,74 | 8 |
| 2014 | 594 | 17.082,89 | 28,76 | 7 |
| 2015 | 827 | 23.274,08 | 28,14 | 8 |
| 2016 | 746 | 22.500,39 | 30,16 | 9 |
| 2017 | 874 | 24.471,89 | 28,00 | 11 |
| 2018 | 775 | 23.452,87 | 30,26 | 12 |
| 2019 | 835 | 24.602,59 | 29,46 | 14 |
| 2020 | 753 | 23.538,95 | 31,26 | 14 |
| 2021 | 757 | 22.707,48 | 30,00 | 15 |
| 2022 | 658 | 19.664,76 | 29,89 | 12 |
| 2023 | 642 | 19.033,92 | 29,65 | 11 |
| 2024 | 594 | 16.833,56 | 28,34 | 12 |
| totale | 12.058 | 324.372,27 | 26,90 | 173 |