| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 930 | 20.395,75 | 21,93 | 3 |
| 2007 | 194 | 7.410,95 | 38,20 | 2 |
| 2008 | 163 | 6.646,88 | 40,78 | 4 |
| 2009 | 520 | 12.552,71 | 24,14 | 5 |
| 2010 | 795 | 18.931,17 | 23,81 | 5 |
| 2011 | 257 | 9.712,08 | 37,79 | 5 |
| 2012 | 946 | 21.651,16 | 22,89 | 5 |
| 2013 | 825 | 17.103,38 | 20,73 | 5 |
| 2014 | 820 | 20.971,65 | 25,58 | 6 |
| 2015 | 873 | 20.889,53 | 23,93 | 7 |
| 2016 | 855 | 19.804,43 | 23,16 | 6 |
| 2017 | 815 | 18.843,46 | 23,12 | 5 |
| 2018 | 783 | 24.995,28 | 31,92 | 5 |
| 2019 | 774 | 24.095,58 | 31,13 | 5 |
| 2020 | 748 | 24.357,13 | 32,56 | 5 |
| 2021 | 796 | 27.199,62 | 34,17 | 5 |
| 2022 | 739 | 26.679,62 | 36,10 | 5 |
| 2023 | 729 | 24.940,05 | 34,21 | 5 |
| 2024 | 794 | 25.152,40 | 31,68 | 5 |
| totale | 13.356 | 372.332,83 | 27,88 | 93 |