| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 695 | 26.934,45 | 38,75 | 3 |
| 2007 | 401 | 23.846,72 | 59,47 | 2 |
| 2008 | 91 | 2.619,38 | 28,78 | 1 |
| 2009 | 191 | 4.445,24 | 23,27 | 3 |
| 2010 | 153 | 2.895,45 | 18,92 | 2 |
| 2011 | 54 | 1.190,52 | 22,05 | 2 |
| 2012 | 92 | 1.824,11 | 19,83 | 2 |
| 2013 | 77 | 1.691,15 | 21,96 | 2 |
| 2014 | 66 | 1.412,34 | 21,40 | 2 |
| 2015 | 69 | 1.931,51 | 27,99 | 2 |
| 2016 | 62 | 1.764,83 | 28,47 | 2 |
| 2017 | 55 | 1.636,78 | 29,76 | 2 |
| 2018 | 56 | 1.219,47 | 21,78 | 1 |
| 2019 | 70 | 2.187,96 | 31,26 | 2 |
| 2020 | 90 | 3.067,68 | 34,09 | 2 |
| 2021 | 85 | 2.715,69 | 31,95 | 2 |
| 2022 | 90 | 2.920,33 | 32,45 | 3 |
| 2023 | 91 | 3.390,31 | 37,26 | 3 |
| 2024 | 81 | 2.792,69 | 34,48 | 3 |
| totale | 2.569 | 90.486,61 | 35,22 | 41 |