| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 105 | 1.289,87 | 12,28 | 2 |
| 2007 | 73 | 1.239,47 | 16,98 | 3 |
| 2008 | 72 | 1.261,87 | 17,53 | 3 |
| 2009 | 47 | 801,13 | 17,05 | 3 |
| 2010 | 70 | 1.215,24 | 17,36 | 4 |
| 2011 | 52 | 748,82 | 14,40 | 2 |
| 2012 | 77 | 1.328,69 | 17,26 | 3 |
| 2013 | 45 | 608,35 | 13,52 | 3 |
| 2014 | 33 | 482,35 | 14,62 | 1 |
| 2015 | 50 | 1.063,96 | 21,28 | 2 |
| 2016 | 50 | 876,00 | 17,52 | 2 |
| 2017 | 67 | 1.349,00 | 20,13 | 3 |
| 2018 | 106 | 1.810,51 | 17,08 | 4 |
| 2019 | 97 | 1.954,77 | 20,15 | 5 |
| 2020 | 115 | 2.813,60 | 24,47 | 5 |
| 2021 | 94 | 2.067,85 | 22,00 | 5 |
| 2022 | 100 | 2.508,61 | 25,09 | 4 |
| 2023 | 94 | 2.091,53 | 22,25 | 4 |
| 2024 | 130 | 2.911,55 | 22,40 | 4 |
| totale | 1.477 | 28.423,17 | 19,24 | 62 |