| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 518 | 11.517,29 | 22,23 | 2 |
| 2007 | 306 | 10.048,07 | 32,84 | 2 |
| 2008 | 414 | 13.867,95 | 33,50 | 3 |
| 2009 | 457 | 13.788,77 | 30,17 | 4 |
| 2010 | 521 | 12.352,62 | 23,71 | 5 |
| 2011 | 360 | 8.558,81 | 23,77 | 3 |
| 2012 | 450 | 11.667,71 | 25,93 | 5 |
| 2013 | 521 | 14.283,00 | 27,41 | 5 |
| 2014 | 529 | 17.480,74 | 33,04 | 5 |
| 2015 | 869 | 25.158,36 | 28,95 | 6 |
| 2016 | 897 | 27.260,01 | 30,39 | 6 |
| 2017 | 848 | 25.115,63 | 29,62 | 7 |
| 2018 | 869 | 25.804,49 | 29,69 | 7 |
| 2019 | 743 | 23.355,65 | 31,43 | 7 |
| 2020 | 824 | 27.274,59 | 33,10 | 7 |
| 2021 | 627 | 21.373,21 | 34,09 | 6 |
| 2022 | 571 | 23.272,26 | 40,76 | 6 |
| 2023 | 631 | 24.933,41 | 39,51 | 7 |
| 2024 | 704 | 25.611,24 | 36,38 | 7 |
| totale | 11.659 | 362.723,81 | 31,11 | 100 |