| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 127 | 2.364,70 | 18,62 | 2 |
| 2007 | 87 | 1.632,12 | 18,76 | 1 |
| 2008 | 115 | 2.169,59 | 18,87 | 1 |
| 2009 | 124 | 2.287,00 | 18,44 | 2 |
| 2010 | 124 | 2.058,17 | 16,60 | 2 |
| 2011 | 118 | 1.865,44 | 15,81 | 1 |
| 2012 | 134 | 2.530,12 | 18,88 | 2 |
| 2013 | 126 | 2.050,06 | 16,27 | 2 |
| 2014 | 113 | 2.410,55 | 21,33 | 2 |
| 2015 | 110 | 2.249,08 | 20,45 | 2 |
| 2016 | 111 | 2.170,46 | 19,55 | 2 |
| 2017 | 116 | 2.218,85 | 19,13 | 2 |
| 2018 | 14 | 177,62 | 12,69 | 1 |
| 2019 | 98 | 1.994,77 | 20,35 | 2 |
| 2020 | 74 | 1.542,97 | 20,85 | 2 |
| 2021 | 85 | 1.888,57 | 22,22 | 2 |
| 2022 | 88 | 2.118,23 | 24,07 | 2 |
| 2023 | 90 | 1.934,66 | 21,50 | 2 |
| 2024 | 97 | 2.172,37 | 22,40 | 2 |
| totale | 1.951 | 37.835,33 | 19,39 | 34 |