| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 353 | 7.326,04 | 20,75 | 1 |
| 2007 | 280 | 8.187,54 | 29,24 | 2 |
| 2008 | 380 | 10.188,32 | 26,81 | 3 |
| 2009 | 608 | 15.174,36 | 24,96 | 4 |
| 2010 | 771 | 17.988,27 | 23,33 | 4 |
| 2011 | 709 | 16.017,13 | 22,59 | 3 |
| 2012 | 783 | 17.792,05 | 22,72 | 5 |
| 2013 | 768 | 16.916,64 | 22,03 | 4 |
| 2014 | 795 | 22.653,08 | 28,49 | 3 |
| 2015 | 804 | 22.313,61 | 27,75 | 5 |
| 2016 | 765 | 21.285,82 | 27,82 | 3 |
| 2017 | 766 | 21.964,45 | 28,67 | 5 |
| 2018 | 782 | 21.753,37 | 27,82 | 5 |
| 2019 | 724 | 21.957,40 | 30,33 | 5 |
| 2020 | 777 | 23.421,67 | 30,14 | 5 |
| 2021 | 1.114 | 44.561,52 | 40,00 | 10 |
| 2022 | 1.181 | 46.362,37 | 39,26 | 8 |
| 2023 | 1.200 | 47.170,85 | 39,31 | 12 |
| 2024 | 1.207 | 42.639,40 | 35,33 | 13 |
| totale | 14.767 | 445.673,89 | 30,18 | 100 |