| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 87 | 1.324,42 | 15,22 | 1 |
| 2007 | 21 | 560,53 | 26,69 | 2 |
| 2008 | 17 | 417,01 | 24,53 | 1 |
| 2009 | 111 | 2.967,32 | 26,73 | 3 |
| 2010 | 138 | 2.873,91 | 20,83 | 2 |
| 2011 | 101 | 2.300,40 | 22,78 | 1 |
| 2012 | 129 | 2.845,18 | 22,06 | 2 |
| 2013 | 14 | 319,83 | 22,85 | 1 |
| 2014 | 16 | 352,29 | 22,02 | 1 |
| 2015 | 30 | 520,90 | 17,36 | 2 |
| 2016 | 35 | 739,10 | 21,12 | 1 |
| 2017 | 26 | 635,27 | 24,43 | 1 |
| 2018 | 22 | 569,82 | 25,90 | 1 |
| 2019 | 35 | 1.209,81 | 34,57 | 2 |
| 2020 | 40 | 1.457,45 | 36,44 | 2 |
| 2021 | 64 | 2.152,03 | 33,63 | 2 |
| 2022 | 61 | 2.617,49 | 42,91 | 2 |
| 2023 | 47 | 2.204,74 | 46,91 | 2 |
| 2024 | 93 | 3.408,84 | 36,65 | 3 |
| totale | 1.087 | 29.476,34 | 27,12 | 32 |