| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 58 | 1.862,77 | 32,12 | 3 |
| 2007 | 57 | 2.272,05 | 39,86 | 3 |
| 2008 | 61 | 2.323,86 | 38,10 | 3 |
| 2009 | 89 | 2.869,30 | 32,24 | 4 |
| 2010 | 133 | 3.098,12 | 23,29 | 4 |
| 2011 | 133 | 3.292,90 | 24,76 | 4 |
| 2012 | 161 | 3.899,56 | 24,22 | 5 |
| 2013 | 151 | 3.344,89 | 22,15 | 5 |
| 2014 | 164 | 4.524,01 | 27,59 | 6 |
| 2015 | 154 | 3.979,77 | 25,84 | 6 |
| 2016 | 146 | 3.942,43 | 27,00 | 6 |
| 2017 | 137 | 3.584,15 | 26,16 | 7 |
| 2018 | 122 | 3.330,11 | 27,30 | 7 |
| 2019 | 103 | 2.976,40 | 28,90 | 7 |
| 2020 | 86 | 2.335,03 | 27,15 | 6 |
| 2021 | 75 | 1.849,70 | 24,66 | 4 |
| 2022 | 46 | 1.061,22 | 23,07 | 2 |
| 2023 | 48 | 1.210,25 | 25,21 | 2 |
| 2024 | 68 | 1.772,44 | 26,07 | 3 |
| totale | 1.992 | 53.528,96 | 26,87 | 87 |