| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 3.915 | 115.936,65 | 29,61 | 21 |
| 2007 | 2.919 | 91.536,03 | 31,36 | 24 |
| 2008 | 3.061 | 101.794,75 | 33,26 | 24 |
| 2009 | 3.121 | 106.919,73 | 34,26 | 27 |
| 2010 | 3.200 | 93.224,22 | 29,13 | 30 |
| 2011 | 3.012 | 87.493,01 | 29,05 | 28 |
| 2012 | 3.760 | 106.035,16 | 28,20 | 31 |
| 2013 | 3.745 | 100.025,33 | 26,71 | 31 |
| 2014 | 3.868 | 124.429,85 | 32,17 | 37 |
| 2015 | 3.590 | 120.136,65 | 33,46 | 39 |
| 2016 | 3.650 | 120.359,46 | 32,98 | 38 |
| 2017 | 4.110 | 137.135,29 | 33,37 | 46 |
| 2018 | 4.142 | 139.687,94 | 33,72 | 46 |
| 2019 | 3.833 | 138.002,18 | 36,00 | 44 |
| 2020 | 3.791 | 133.185,45 | 35,13 | 48 |
| 2021 | 3.487 | 119.334,33 | 34,22 | 49 |
| 2022 | 3.165 | 107.838,36 | 34,07 | 49 |
| 2023 | 3.074 | 106.576,19 | 34,67 | 52 |
| 2024 | 3.274 | 108.391,86 | 33,11 | 57 |
| totale | 66.717 | 2.158.042,44 | 32,35 | 721 |