| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 387 | 5.571,89 | 14,40 | 2 |
| 2008 | 36 | 1.126,68 | 31,30 | 1 |
| 2009 | 136 | 2.207,56 | 16,23 | 2 |
| 2010 | 104 | 1.422,01 | 13,67 | 1 |
| 2011 | 70 | 1.016,19 | 14,52 | 1 |
| 2012 | 115 | 1.724,12 | 14,99 | 2 |
| 2013 | 114 | 1.701,96 | 14,93 | 2 |
| 2014 | 117 | 2.212,77 | 18,91 | 2 |
| 2015 | 113 | 2.070,97 | 18,33 | 2 |
| 2016 | 115 | 2.061,67 | 17,93 | 2 |
| 2017 | 108 | 2.011,04 | 18,62 | 2 |
| 2018 | 107 | 1.991,57 | 18,61 | 2 |
| 2019 | 104 | 1.942,05 | 18,67 | 2 |
| 2020 | 97 | 1.870,23 | 19,28 | 2 |
| 2021 | 85 | 1.877,48 | 22,09 | 2 |
| 2022 | 88 | 2.046,29 | 23,25 | 3 |
| 2023 | 81 | 1.746,15 | 21,56 | 3 |
| 2024 | 82 | 1.800,64 | 21,96 | 3 |
| totale | 2.059 | 36.401,27 | 17,68 | 36 |