| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 50 | 918,40 | 18,37 | 2 |
| 2007 | 17 | 408,92 | 24,05 | 1 |
| 2008 | 39 | 847,88 | 21,74 | 2 |
| 2009 | 51 | 1.094,73 | 21,47 | 3 |
| 2010 | 55 | 1.181,77 | 21,49 | 3 |
| 2011 | 70 | 1.374,91 | 19,64 | 3 |
| 2012 | 60 | 916,12 | 15,27 | 3 |
| 2013 | 52 | 739,06 | 14,21 | 3 |
| 2014 | 64 | 1.350,48 | 21,10 | 3 |
| 2015 | 61 | 1.168,34 | 19,15 | 3 |
| 2016 | 50 | 983,43 | 19,67 | 3 |
| 2017 | 40 | 858,79 | 21,47 | 3 |
| 2018 | 42 | 768,69 | 18,30 | 3 |
| 2019 | 43 | 737,85 | 17,16 | 3 |
| 2020 | 41 | 879,85 | 21,46 | 3 |
| 2021 | 36 | 519,16 | 14,42 | 3 |
| 2022 | 37 | 946,39 | 25,58 | 2 |
| 2023 | 130 | 2.691,22 | 20,70 | 3 |
| 2024 | 180 | 3.616,39 | 20,09 | 3 |
| totale | 1.118 | 22.002,38 | 19,68 | 52 |