| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 422 | 10.641,68 | 25,22 | 2 |
| 2007 | 14 | 365,38 | 26,10 | 1 |
| 2008 | 25 | 846,49 | 33,86 | 1 |
| 2009 | 131 | 3.259,10 | 24,88 | 5 |
| 2010 | 152 | 3.254,24 | 21,41 | 4 |
| 2011 | 43 | 972,17 | 22,61 | 2 |
| 2012 | 128 | 2.589,56 | 20,23 | 3 |
| 2013 | 116 | 2.293,55 | 19,77 | 2 |
| 2014 | 116 | 3.687,65 | 31,79 | 3 |
| 2015 | 105 | 2.750,89 | 26,20 | 3 |
| 2016 | 100 | 3.005,58 | 30,06 | 4 |
| 2017 | 144 | 4.625,81 | 32,12 | 5 |
| 2018 | 119 | 3.799,02 | 31,92 | 5 |
| 2019 | 139 | 4.414,03 | 31,76 | 7 |
| 2020 | 134 | 4.282,47 | 31,96 | 6 |
| 2021 | 134 | 3.861,10 | 28,81 | 4 |
| 2022 | 170 | 5.041,34 | 29,65 | 5 |
| 2023 | 173 | 5.157,63 | 29,81 | 5 |
| 2024 | 209 | 5.440,98 | 26,03 | 6 |
| totale | 2.574 | 70.288,67 | 27,31 | 73 |