| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 135 | 3.043,26 | 22,54 | 2 |
| 2007 | 86 | 1.943,96 | 22,60 | 1 |
| 2008 | 121 | 3.084,58 | 25,49 | 2 |
| 2009 | 150 | 4.084,94 | 27,23 | 3 |
| 2010 | 154 | 3.239,69 | 21,04 | 3 |
| 2011 | 99 | 1.915,03 | 19,34 | 1 |
| 2012 | 160 | 3.678,68 | 22,99 | 4 |
| 2013 | 130 | 2.884,70 | 22,19 | 4 |
| 2014 | 105 | 3.140,96 | 29,91 | 3 |
| 2015 | 96 | 3.278,54 | 34,15 | 4 |
| 2016 | 89 | 2.594,17 | 29,15 | 3 |
| 2017 | 93 | 2.235,64 | 24,04 | 4 |
| 2018 | 80 | 2.221,53 | 27,77 | 4 |
| 2019 | 73 | 1.682,99 | 23,05 | 4 |
| 2020 | 63 | 1.280,28 | 20,32 | 3 |
| 2021 | 68 | 1.332,14 | 19,59 | 3 |
| 2022 | 65 | 1.252,43 | 19,27 | 4 |
| 2023 | 90 | 2.297,15 | 25,52 | 4 |
| 2024 | 82 | 2.372,46 | 28,93 | 4 |
| totale | 1.939 | 47.563,13 | 24,53 | 60 |