| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 184 | 3.815,91 | 20,74 | 2 |
| 2007 | 85 | 3.108,68 | 36,57 | 1 |
| 2008 | 87 | 2.586,19 | 29,73 | 1 |
| 2009 | 115 | 2.880,81 | 25,05 | 2 |
| 2010 | 126 | 2.405,84 | 19,09 | 2 |
| 2011 | 79 | 1.745,98 | 22,10 | 1 |
| 2012 | 92 | 1.999,00 | 21,73 | 2 |
| 2013 | 116 | 2.415,36 | 20,82 | 2 |
| 2014 | 77 | 2.119,75 | 27,53 | 2 |
| 2015 | 76 | 3.395,41 | 44,68 | 2 |
| 2016 | 104 | 7.594,37 | 73,02 | 3 |
| 2017 | 105 | 7.240,05 | 68,95 | 4 |
| 2018 | 135 | 8.472,67 | 62,76 | 4 |
| 2019 | 146 | 8.015,22 | 54,90 | 4 |
| 2020 | 121 | 6.998,56 | 57,84 | 4 |
| 2021 | 139 | 11.702,00 | 84,19 | 4 |
| 2022 | 139 | 6.986,07 | 50,26 | 4 |
| 2023 | 135 | 3.869,11 | 28,66 | 4 |
| 2024 | 157 | 3.365,77 | 21,44 | 4 |
| totale | 2.218 | 90.716,75 | 40,90 | 52 |