| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 38 | 909,78 | 23,94 | 1 |
| 2007 | 57 | 1.305,21 | 22,90 | 1 |
| 2008 | 49 | 1.588,44 | 32,42 | 1 |
| 2009 | 50 | 1.282,35 | 25,65 | 2 |
| 2010 | 48 | 1.133,33 | 23,61 | 2 |
| 2011 | 43 | 908,93 | 21,14 | 1 |
| 2012 | 54 | 2.113,91 | 39,15 | 3 |
| 2013 | 57 | 2.493,94 | 43,75 | 3 |
| 2014 | 48 | 1.282,34 | 26,72 | 3 |
| 2015 | 42 | 1.774,77 | 42,26 | 3 |
| 2016 | 38 | 1.457,69 | 38,36 | 3 |
| 2017 | 46 | 2.927,10 | 63,63 | 4 |
| 2018 | 60 | 2.833,53 | 47,23 | 4 |
| 2019 | 55 | 2.254,23 | 40,99 | 4 |
| 2020 | 52 | 3.062,72 | 58,90 | 5 |
| 2021 | 47 | 2.297,18 | 48,88 | 5 |
| 2022 | 40 | 1.210,21 | 30,26 | 4 |
| 2023 | 58 | 1.384,79 | 23,88 | 5 |
| 2024 | 67 | 1.375,45 | 20,53 | 5 |
| totale | 949 | 33.595,90 | 35,40 | 59 |