| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 42 | 1.429,13 | 34,03 | 2 |
| 2007 | 7 | 656,78 | 93,83 | 1 |
| 2008 | 17 | 804,42 | 47,32 | 1 |
| 2009 | 48 | 2.200,81 | 45,85 | 2 |
| 2010 | 60 | 1.475,72 | 24,60 | 3 |
| 2011 | 57 | 1.925,42 | 33,78 | 3 |
| 2012 | 73 | 2.436,78 | 33,38 | 4 |
| 2013 | 96 | 3.122,73 | 32,53 | 4 |
| 2014 | 95 | 2.988,98 | 31,46 | 4 |
| 2015 | 83 | 2.667,74 | 32,14 | 4 |
| 2016 | 97 | 3.255,10 | 33,56 | 4 |
| 2017 | 91 | 2.466,87 | 27,11 | 4 |
| 2018 | 77 | 2.238,30 | 29,07 | 3 |
| 2019 | 85 | 2.631,88 | 30,96 | 3 |
| 2020 | 74 | 2.585,09 | 34,93 | 3 |
| 2021 | 110 | 5.835,01 | 53,05 | 4 |
| 2022 | 91 | 5.375,44 | 59,07 | 4 |
| 2023 | 121 | 6.268,86 | 51,81 | 4 |
| 2024 | 117 | 7.336,04 | 62,70 | 4 |
| totale | 1.441 | 57.701,10 | 40,04 | 61 |