| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 648 | 16.630,15 | 25,66 | 2 |
| 2007 | 21 | 337,03 | 16,05 | 1 |
| 2008 | 36 | 1.067,03 | 29,64 | 2 |
| 2009 | 295 | 8.084,30 | 27,40 | 3 |
| 2010 | 720 | 19.315,80 | 26,83 | 4 |
| 2011 | 485 | 12.183,39 | 25,12 | 2 |
| 2012 | 799 | 19.666,72 | 24,61 | 4 |
| 2013 | 943 | 23.772,24 | 25,21 | 3 |
| 2014 | 1.085 | 35.397,17 | 32,62 | 3 |
| 2015 | 873 | 27.635,96 | 31,66 | 3 |
| 2016 | 870 | 28.996,39 | 33,33 | 4 |
| 2017 | 832 | 28.287,58 | 34,00 | 4 |
| 2018 | 859 | 31.698,13 | 36,90 | 5 |
| 2019 | 847 | 30.909,69 | 36,49 | 6 |
| 2020 | 781 | 29.009,88 | 37,14 | 6 |
| 2021 | 716 | 25.227,32 | 35,23 | 6 |
| 2022 | 691 | 27.444,46 | 39,72 | 6 |
| 2023 | 725 | 28.230,59 | 38,94 | 7 |
| 2024 | 671 | 24.834,01 | 37,01 | 8 |
| totale | 12.897 | 418.727,84 | 32,47 | 79 |