| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 82 | 1.289,06 | 15,72 | 2 |
| 2007 | 42 | 2.060,26 | 49,05 | 2 |
| 2008 | 66 | 2.076,95 | 31,47 | 2 |
| 2009 | 135 | 3.178,89 | 23,55 | 4 |
| 2010 | 159 | 3.427,14 | 21,55 | 4 |
| 2011 | 38 | 810,46 | 21,33 | 2 |
| 2012 | 143 | 3.437,49 | 24,04 | 4 |
| 2013 | 133 | 3.037,16 | 22,84 | 3 |
| 2014 | 133 | 3.910,95 | 29,41 | 3 |
| 2015 | 129 | 3.536,87 | 27,42 | 3 |
| 2016 | 91 | 3.126,04 | 34,35 | 3 |
| 2017 | 98 | 3.134,64 | 31,99 | 3 |
| 2018 | 98 | 2.970,68 | 30,31 | 3 |
| 2019 | 92 | 2.856,85 | 31,05 | 3 |
| 2020 | 77 | 2.415,64 | 31,37 | 3 |
| 2021 | 56 | 1.532,81 | 27,37 | 3 |
| 2022 | 51 | 1.385,18 | 27,16 | 3 |
| 2023 | 58 | 1.700,71 | 29,32 | 5 |
| 2024 | 59 | 1.671,06 | 28,32 | 4 |
| totale | 1.740 | 47.558,84 | 27,33 | 59 |