| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 903 | 31.202,23 | 34,55 | 6 |
| 2007 | 273 | 13.211,47 | 48,39 | 4 |
| 2008 | 242 | 13.423,48 | 55,47 | 4 |
| 2009 | 486 | 21.922,69 | 45,11 | 6 |
| 2010 | 510 | 20.623,94 | 40,44 | 7 |
| 2011 | 280 | 10.611,58 | 37,90 | 4 |
| 2012 | 600 | 18.841,37 | 31,40 | 5 |
| 2013 | 744 | 23.247,54 | 31,25 | 7 |
| 2014 | 661 | 27.727,79 | 41,95 | 8 |
| 2015 | 836 | 35.513,44 | 42,48 | 11 |
| 2016 | 918 | 46.931,84 | 51,12 | 12 |
| 2017 | 890 | 38.699,60 | 43,48 | 12 |
| 2018 | 905 | 37.399,05 | 41,32 | 13 |
| 2019 | 910 | 37.506,59 | 41,22 | 13 |
| 2020 | 914 | 38.250,58 | 41,85 | 13 |
| 2021 | 842 | 32.227,42 | 38,27 | 12 |
| 2022 | 860 | 34.416,47 | 40,02 | 13 |
| 2023 | 913 | 37.329,63 | 40,89 | 15 |
| 2024 | 961 | 37.086,61 | 38,59 | 16 |
| totale | 13.648 | 556.173,32 | 40,75 | 181 |