| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 1.539 | 32.199,54 | 20,92 | 3 |
| 2007 | 881 | 22.589,38 | 25,64 | 1 |
| 2008 | 996 | 21.314,88 | 21,40 | 2 |
| 2009 | 898 | 20.287,70 | 22,59 | 3 |
| 2010 | 1.026 | 22.088,75 | 21,53 | 4 |
| 2011 | 802 | 16.343,31 | 20,38 | 3 |
| 2012 | 853 | 17.553,41 | 20,58 | 5 |
| 2013 | 761 | 14.368,81 | 18,88 | 6 |
| 2014 | 753 | 17.024,37 | 22,61 | 6 |
| 2015 | 1.005 | 21.573,25 | 21,47 | 7 |
| 2016 | 875 | 24.865,46 | 28,42 | 9 |
| 2017 | 876 | 24.465,13 | 27,93 | 9 |
| 2018 | 736 | 21.439,13 | 29,13 | 10 |
| 2019 | 528 | 11.822,35 | 22,39 | 9 |
| 2020 | 310 | 6.986,98 | 22,54 | 9 |
| 2021 | 286 | 6.867,23 | 24,01 | 8 |
| 2022 | 254 | 7.310,12 | 28,78 | 5 |
| 2023 | 727 | 18.309,28 | 25,18 | 11 |
| 2024 | 913 | 23.015,02 | 25,21 | 11 |
| totale | 15.019 | 350.424,10 | 23,33 | 121 |