| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 336 | 7.530,82 | 22,41 | 3 |
| 2007 | 89 | 2.927,52 | 32,89 | 2 |
| 2008 | 86 | 2.696,38 | 31,35 | 2 |
| 2009 | 149 | 4.478,62 | 30,06 | 3 |
| 2010 | 155 | 4.070,62 | 26,26 | 2 |
| 2011 | 110 | 2.757,36 | 25,07 | 1 |
| 2012 | 96 | 2.235,41 | 23,29 | 2 |
| 2013 | 149 | 3.963,62 | 26,60 | 2 |
| 2014 | 143 | 5.411,93 | 37,85 | 3 |
| 2015 | 109 | 3.679,87 | 33,76 | 3 |
| 2016 | 97 | 3.662,78 | 37,76 | 3 |
| 2017 | 144 | 4.288,24 | 29,78 | 3 |
| 2018 | 135 | 4.044,40 | 29,96 | 3 |
| 2019 | 122 | 3.954,87 | 32,42 | 3 |
| 2020 | 127 | 4.391,94 | 34,58 | 3 |
| 2021 | 97 | 2.915,59 | 30,06 | 3 |
| 2022 | 68 | 2.195,48 | 32,29 | 2 |
| 2023 | 52 | 1.363,26 | 26,22 | 3 |
| 2024 | 113 | 3.372,05 | 29,84 | 4 |
| totale | 2.377 | 69.940,76 | 29,42 | 50 |