| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 115 | 2.590,06 | 22,52 | 2 |
| 2007 | 40 | 1.324,43 | 33,11 | 3 |
| 2008 | 59 | 2.267,55 | 38,43 | 4 |
| 2009 | 46 | 1.459,03 | 31,72 | 5 |
| 2010 | 65 | 2.110,52 | 32,47 | 5 |
| 2011 | 41 | 1.302,34 | 31,76 | 2 |
| 2012 | 77 | 2.484,48 | 32,27 | 4 |
| 2013 | 177 | 4.373,91 | 24,71 | 5 |
| 2014 | 122 | 4.147,94 | 34,00 | 4 |
| 2015 | 138 | 4.268,22 | 30,93 | 5 |
| 2016 | 149 | 4.684,56 | 31,44 | 5 |
| 2017 | 142 | 5.684,37 | 40,03 | 5 |
| 2018 | 152 | 6.367,37 | 41,89 | 6 |
| 2019 | 144 | 7.257,30 | 50,40 | 6 |
| 2020 | 174 | 7.222,50 | 41,51 | 6 |
| 2021 | 188 | 6.750,26 | 35,91 | 6 |
| 2022 | 188 | 7.039,56 | 37,44 | 6 |
| 2023 | 179 | 6.290,78 | 35,14 | 7 |
| 2024 | 214 | 7.420,28 | 34,67 | 7 |
| totale | 2.410 | 85.045,46 | 35,29 | 93 |