| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 4.032 | 124.119,06 | 30,78 | 24 |
| 2007 | 2.390 | 91.426,26 | 38,25 | 26 |
| 2008 | 2.977 | 109.713,81 | 36,85 | 30 |
| 2009 | 3.314 | 118.979,26 | 35,90 | 34 |
| 2010 | 3.587 | 109.478,23 | 30,52 | 31 |
| 2011 | 2.642 | 81.785,77 | 30,96 | 21 |
| 2012 | 3.609 | 108.925,34 | 30,18 | 33 |
| 2013 | 3.708 | 108.805,28 | 29,34 | 37 |
| 2014 | 3.800 | 130.520,94 | 34,35 | 36 |
| 2015 | 3.672 | 130.801,97 | 35,62 | 36 |
| 2016 | 3.508 | 128.954,14 | 36,76 | 37 |
| 2017 | 3.582 | 134.713,95 | 37,61 | 40 |
| 2018 | 3.474 | 131.090,78 | 37,73 | 44 |
| 2019 | 3.687 | 142.903,14 | 38,76 | 46 |
| 2020 | 3.557 | 141.071,11 | 39,66 | 47 |
| 2021 | 3.153 | 122.798,06 | 38,95 | 49 |
| 2022 | 3.214 | 128.915,30 | 40,11 | 50 |
| 2023 | 3.270 | 130.373,62 | 39,87 | 54 |
| 2024 | 3.330 | 121.327,59 | 36,43 | 56 |
| totale | 64.506 | 2.296.703,61 | 35,60 | 731 |