| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 614 | 13.042,42 | 21,24 | 3 |
| 2007 | 640 | 14.913,24 | 23,30 | 1 |
| 2008 | 797 | 17.777,55 | 22,31 | 2 |
| 2009 | 842 | 17.817,76 | 21,16 | 3 |
| 2010 | 913 | 16.257,25 | 17,81 | 3 |
| 2011 | 903 | 15.268,60 | 16,91 | 2 |
| 2012 | 888 | 16.457,58 | 18,53 | 3 |
| 2013 | 878 | 15.891,41 | 18,10 | 2 |
| 2014 | 857 | 19.880,40 | 23,20 | 3 |
| 2015 | 867 | 20.559,76 | 23,71 | 5 |
| 2016 | 910 | 21.628,15 | 23,77 | 4 |
| 2017 | 873 | 21.058,32 | 24,12 | 3 |
| 2018 | 840 | 20.108,85 | 23,94 | 4 |
| 2019 | 821 | 20.548,77 | 25,03 | 4 |
| 2020 | 850 | 22.353,16 | 26,30 | 5 |
| 2021 | 834 | 23.027,79 | 27,61 | 6 |
| 2022 | 827 | 22.049,33 | 26,66 | 6 |
| 2023 | 775 | 20.318,30 | 26,22 | 6 |
| 2024 | 757 | 19.083,84 | 25,21 | 8 |
| totale | 15.686 | 358.042,48 | 22,83 | 73 |