| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 401 | 6.249,99 | 15,59 | 6 |
| 2007 | 567 | 9.867,39 | 17,40 | 6 |
| 2008 | 598 | 10.730,43 | 17,94 | 1 |
| 2009 | 580 | 10.616,42 | 18,30 | 3 |
| 2010 | 535 | 8.815,01 | 16,48 | 6 |
| 2011 | 533 | 8.259,08 | 15,50 | 4 |
| 2012 | 587 | 9.936,19 | 16,93 | 5 |
| 2013 | 543 | 8.921,73 | 16,43 | 5 |
| 2014 | 626 | 12.545,49 | 20,04 | 6 |
| 2015 | 747 | 14.463,82 | 19,36 | 5 |
| 2016 | 89 | 1.876,15 | 21,08 | 2 |
| 2016 | 578 | 11.013,61 | 19,05 | 4 |
| 2017 | 767 | 14.950,09 | 19,49 | 6 |
| 2018 | 1.004 | 20.079,70 | 20,00 | 10 |
| 2019 | 990 | 20.292,17 | 20,50 | 10 |
| 2020 | 987 | 22.603,28 | 22,90 | 10 |
| 2021 | 1.064 | 23.292,97 | 21,89 | 12 |
| 2022 | 1.048 | 23.376,04 | 22,31 | 11 |
| 2023 | 1.103 | 22.796,21 | 20,67 | 13 |
| 2024 | 1.307 | 26.430,56 | 20,22 | 14 |
| totale | 14.654 | 287.116,33 | 19,59 | 139 |