| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 191 | 5.205,70 | 27,25 | 2 |
| 2008 | 107 | 3.266,25 | 30,53 | 1 |
| 2009 | 109 | 2.910,88 | 26,71 | 2 |
| 2010 | 100 | 2.131,09 | 21,31 | 2 |
| 2011 | 73 | 1.609,77 | 22,05 | 1 |
| 2012 | 84 | 1.805,27 | 21,49 | 2 |
| 2013 | 100 | 1.910,17 | 19,10 | 2 |
| 2014 | 85 | 2.275,16 | 26,77 | 2 |
| 2015 | 106 | 2.804,74 | 26,46 | 2 |
| 2016 | 117 | 3.059,03 | 26,15 | 3 |
| 2017 | 114 | 2.844,00 | 24,95 | 3 |
| 2018 | 107 | 2.691,57 | 25,15 | 3 |
| 2019 | 94 | 2.238,32 | 23,81 | 2 |
| 2020 | 87 | 2.165,99 | 24,90 | 2 |
| 2021 | 68 | 1.410,13 | 20,74 | 2 |
| 2022 | 25 | 743,14 | 29,73 | 1 |
| 2023 | 23 | 470,00 | 20,43 | 2 |
| 2024 | 27 | 665,14 | 24,63 | 2 |
| totale | 1.617 | 40.206,35 | 24,86 | 36 |