| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 270 | 4.979,24 | 18,44 | 1 |
| 2008 | 95 | 2.146,31 | 22,59 | 1 |
| 2009 | 65 | 1.487,50 | 22,88 | 2 |
| 2010 | 122 | 2.350,18 | 19,26 | 3 |
| 2011 | 70 | 1.146,62 | 16,38 | 1 |
| 2012 | 167 | 3.246,77 | 19,44 | 2 |
| 2013 | 141 | 2.725,23 | 19,33 | 4 |
| 2014 | 135 | 2.904,80 | 21,52 | 2 |
| 2015 | 145 | 3.428,79 | 23,65 | 3 |
| 2016 | 138 | 3.678,60 | 26,66 | 3 |
| 2017 | 170 | 4.458,22 | 26,22 | 3 |
| 2018 | 141 | 3.898,40 | 27,65 | 2 |
| 2019 | 188 | 5.141,96 | 27,35 | 2 |
| 2020 | 206 | 5.760,82 | 27,97 | 2 |
| 2021 | 175 | 5.251,58 | 30,01 | 2 |
| 2022 | 151 | 4.222,79 | 27,97 | 2 |
| 2023 | 163 | 4.390,48 | 26,94 | 4 |
| 2024 | 155 | 3.886,24 | 25,07 | 4 |
| totale | 2.697 | 65.104,53 | 24,14 | 43 |