| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 2.616 | 56.763,45 | 21,70 | 4 |
| 2007 | 397 | 15.139,61 | 38,14 | 7 |
| 2008 | 335 | 13.453,83 | 40,16 | 9 |
| 2009 | 1.108 | 33.229,54 | 29,99 | 12 |
| 2010 | 2.044 | 45.396,21 | 22,21 | 14 |
| 2011 | 503 | 14.103,62 | 28,04 | 11 |
| 2012 | 1.912 | 41.952,56 | 21,94 | 13 |
| 2013 | 2.218 | 47.692,51 | 21,50 | 16 |
| 2014 | 2.116 | 58.647,20 | 27,72 | 21 |
| 2015 | 2.602 | 73.560,31 | 28,27 | 22 |
| 2016 | 2.265 | 66.292,30 | 29,27 | 20 |
| 2017 | 3.349 | 91.809,31 | 27,41 | 27 |
| 2018 | 3.232 | 89.511,83 | 27,70 | 29 |
| 2019 | 3.084 | 89.314,59 | 28,96 | 29 |
| 2020 | 3.015 | 84.391,00 | 27,99 | 34 |
| 2021 | 3.131 | 87.366,30 | 27,90 | 35 |
| 2022 | 3.073 | 89.406,29 | 29,09 | 31 |
| 2023 | 3.089 | 83.566,22 | 27,05 | 37 |
| 2024 | 2.544 | 70.561,69 | 27,74 | 45 |
| totale | 42.633 | 1.152.158,37 | 27,03 | 416 |