| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 145 | 3.262,74 | 22,50 | 2 |
| 2007 | 131 | 3.524,07 | 26,90 | 1 |
| 2008 | 93 | 1.777,22 | 19,11 | 2 |
| 2009 | 93 | 1.950,49 | 20,97 | 2 |
| 2010 | 101 | 1.896,32 | 18,78 | 3 |
| 2011 | 29 | 335,41 | 11,57 | 2 |
| 2012 | 33 | 476,81 | 14,45 | 3 |
| 2013 | 127 | 2.269,39 | 17,87 | 3 |
| 2014 | 115 | 2.783,68 | 24,21 | 2 |
| 2015 | 116 | 3.037,58 | 26,19 | 3 |
| 2016 | 108 | 2.634,93 | 24,40 | 4 |
| 2017 | 40 | 931,62 | 23,29 | 3 |
| 2018 | 125 | 3.130,85 | 25,05 | 3 |
| 2019 | 96 | 2.051,79 | 21,37 | 3 |
| 2020 | 87 | 2.202,95 | 25,32 | 3 |
| 2021 | 113 | 3.382,82 | 29,94 | 3 |
| 2022 | 125 | 3.361,62 | 26,89 | 3 |
| 2023 | 107 | 2.829,56 | 26,44 | 3 |
| 2024 | 120 | 3.117,85 | 25,98 | 3 |
| totale | 1.904 | 44.957,70 | 23,61 | 51 |