| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 830 | 15.853,25 | 19,10 | 3 |
| 2007 | 535 | 13.720,10 | 25,65 | 4 |
| 2008 | 339 | 8.955,50 | 26,42 | 3 |
| 2009 | 1.139 | 25.436,80 | 22,33 | 7 |
| 2010 | 1.177 | 21.634,13 | 18,38 | 6 |
| 2011 | 897 | 15.581,06 | 17,37 | 5 |
| 2012 | 824 | 14.302,84 | 17,36 | 6 |
| 2013 | 943 | 16.677,60 | 17,69 | 5 |
| 2014 | 844 | 18.295,06 | 21,68 | 7 |
| 2015 | 701 | 15.729,85 | 22,44 | 7 |
| 2016 | 506 | 12.606,89 | 24,91 | 6 |
| 2017 | 385 | 9.147,30 | 23,76 | 5 |
| 2018 | 690 | 14.861,55 | 21,54 | 7 |
| 2019 | 762 | 20.996,37 | 27,55 | 7 |
| 2020 | 709 | 20.627,56 | 29,09 | 7 |
| 2021 | 667 | 19.465,07 | 29,18 | 8 |
| 2022 | 607 | 18.005,53 | 29,66 | 8 |
| 2023 | 659 | 19.803,31 | 30,05 | 8 |
| 2024 | 846 | 19.427,79 | 22,96 | 9 |
| totale | 14.060 | 321.127,56 | 22,84 | 118 |