| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 246 | 3.520,94 | 14,31 | 1 |
| 2007 | 656 | 24.442,48 | 37,26 | 1 |
| 2008 | 801 | 26.845,80 | 33,52 | 1 |
| 2009 | 121 | 2.021,40 | 16,71 | 1 |
| 2010 | 935 | 22.510,06 | 24,07 | 2 |
| 2011 | 698 | 18.867,04 | 27,03 | 1 |
| 2012 | 981 | 21.637,11 | 22,06 | 2 |
| 2013 | 872 | 18.654,31 | 21,39 | 2 |
| 2014 | 914 | 23.795,38 | 26,03 | 2 |
| 2015 | 817 | 21.545,28 | 26,37 | 2 |
| 2016 | 805 | 20.768,15 | 25,80 | 2 |
| 2017 | 720 | 18.433,73 | 25,60 | 2 |
| 2018 | 641 | 16.510,92 | 25,76 | 3 |
| 2019 | 605 | 16.768,92 | 27,72 | 3 |
| 2020 | 527 | 15.125,09 | 28,70 | 3 |
| 2021 | 518 | 15.320,13 | 29,58 | 4 |
| 2022 | 491 | 14.392,26 | 29,31 | 4 |
| 2023 | 461 | 13.455,09 | 29,19 | 4 |
| 2024 | 413 | 12.194,56 | 29,53 | 5 |
| totale | 12.222 | 326.808,65 | 26,74 | 45 |