| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 100 | 2.206,67 | 22,07 | 2 |
| 2007 | 52 | 1.308,05 | 25,15 | 1 |
| 2008 | 56 | 1.225,99 | 21,89 | 1 |
| 2009 | 79 | 1.979,97 | 25,06 | 3 |
| 2010 | 51 | 1.055,13 | 20,69 | 2 |
| 2011 | 42 | 770,17 | 18,34 | 1 |
| 2012 | 46 | 1.243,39 | 27,03 | 2 |
| 2013 | 56 | 1.321,14 | 23,59 | 2 |
| 2014 | 54 | 1.273,33 | 23,58 | 2 |
| 2015 | 39 | 995,64 | 25,53 | 2 |
| 2016 | 38 | 1.120,46 | 29,49 | 2 |
| 2017 | 39 | 1.192,92 | 30,59 | 2 |
| 2018 | 49 | 1.244,26 | 25,39 | 3 |
| 2019 | 45 | 1.214,54 | 26,99 | 3 |
| 2020 | 47 | 1.576,05 | 33,53 | 3 |
| 2021 | 41 | 1.168,67 | 28,50 | 3 |
| 2022 | 31 | 897,19 | 28,94 | 3 |
| 2023 | 30 | 942,13 | 31,40 | 3 |
| 2024 | 23 | 811,50 | 35,28 | 3 |
| totale | 918 | 23.547,20 | 25,65 | 43 |