| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 188 | 3.611,36 | 19,21 | 1 |
| 2007 | 78 | 2.519,89 | 32,31 | 1 |
| 2008 | 119 | 3.540,60 | 29,75 | 1 |
| 2009 | 148 | 3.830,18 | 25,88 | 2 |
| 2010 | 151 | 3.079,98 | 20,40 | 2 |
| 2011 | 116 | 2.483,71 | 21,41 | 1 |
| 2012 | 140 | 2.904,57 | 20,75 | 2 |
| 2013 | 118 | 2.486,52 | 21,07 | 2 |
| 2014 | 106 | 2.806,33 | 26,47 | 2 |
| 2015 | 100 | 2.479,38 | 24,79 | 2 |
| 2016 | 97 | 2.559,22 | 26,38 | 2 |
| 2017 | 96 | 2.661,15 | 27,72 | 2 |
| 2018 | 98 | 2.748,65 | 28,05 | 2 |
| 2019 | 88 | 2.666,81 | 30,30 | 2 |
| 2020 | 84 | 2.494,97 | 29,70 | 2 |
| 2021 | 79 | 2.736,44 | 34,64 | 2 |
| 2022 | 75 | 2.514,23 | 33,52 | 2 |
| 2023 | 74 | 2.409,80 | 32,56 | 2 |
| 2024 | 66 | 2.231,43 | 33,81 | 2 |
| totale | 2.021 | 52.765,22 | 26,11 | 34 |