| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 16 | 146,59 | 9,16 | 1 |
| 2007 | 10 | 92,57 | 9,26 | 1 |
| 2008 | 5 | 54,62 | 10,92 | 1 |
| 2009 | 227 | 5.872,42 | 25,87 | 3 |
| 2010 | 157 | 3.423,88 | 21,81 | 3 |
| 2011 | 194 | 4.357,78 | 22,46 | 2 |
| 2012 | 245 | 6.291,34 | 25,68 | 3 |
| 2013 | 275 | 5.684,34 | 20,67 | 3 |
| 2014 | 219 | 5.201,88 | 23,75 | 3 |
| 2015 | 231 | 5.267,57 | 22,80 | 3 |
| 2016 | 126 | 3.156,23 | 25,05 | 3 |
| 2017 | 85 | 2.358,23 | 27,74 | 3 |
| 2018 | 67 | 1.817,68 | 27,13 | 3 |
| 2019 | 68 | 1.857,98 | 27,32 | 3 |
| 2020 | 26 | 639,87 | 24,61 | 2 |
| 2021 | 35 | 1.024,68 | 29,28 | 2 |
| 2022 | 139 | 3.698,68 | 26,61 | 3 |
| 2023 | 144 | 4.292,60 | 29,81 | 4 |
| 2024 | 105 | 2.283,59 | 21,75 | 4 |
| totale | 2.374 | 57.522,53 | 24,23 | 50 |