| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 97 | 2.138,18 | 22,04 | 2 |
| 2007 | 50 | 1.451,15 | 29,02 | 1 |
| 2008 | 44 | 1.414,62 | 32,15 | 1 |
| 2009 | 52 | 1.377,25 | 26,49 | 2 |
| 2010 | 50 | 1.380,56 | 27,61 | 2 |
| 2011 | 31 | 876,71 | 28,28 | 1 |
| 2012 | 120 | 2.324,29 | 19,37 | 2 |
| 2013 | 145 | 2.748,99 | 18,96 | 2 |
| 2014 | 161 | 3.606,59 | 22,40 | 3 |
| 2015 | 143 | 3.339,44 | 23,35 | 3 |
| 2016 | 159 | 3.899,87 | 24,53 | 3 |
| 2017 | 148 | 3.566,57 | 24,10 | 3 |
| 2018 | 150 | 3.936,43 | 26,24 | 3 |
| 2019 | 158 | 3.888,21 | 24,61 | 3 |
| 2020 | 149 | 3.790,96 | 25,44 | 3 |
| 2021 | 119 | 2.971,72 | 24,97 | 3 |
| 2022 | 135 | 3.640,03 | 26,96 | 3 |
| 2023 | 120 | 3.631,87 | 30,27 | 3 |
| 2024 | 269 | 6.147,13 | 22,85 | 4 |
| totale | 2.300 | 56.130,57 | 24,40 | 47 |