| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 319 | 5.677,88 | 17,80 | 3 |
| 2007 | 209 | 4.459,55 | 21,34 | 2 |
| 2008 | 202 | 4.358,13 | 21,57 | 3 |
| 2009 | 125 | 3.624,28 | 28,99 | 3 |
| 2010 | 121 | 2.785,69 | 23,02 | 2 |
| 2011 | 110 | 2.268,89 | 20,63 | 1 |
| 2012 | 112 | 2.433,50 | 21,73 | 2 |
| 2013 | 101 | 2.040,37 | 20,20 | 2 |
| 2014 | 103 | 2.724,46 | 26,45 | 2 |
| 2015 | 96 | 2.225,40 | 23,18 | 2 |
| 2016 | 94 | 2.315,45 | 24,63 | 2 |
| 2017 | 84 | 2.030,96 | 24,18 | 2 |
| 2018 | 80 | 1.981,37 | 24,77 | 2 |
| 2019 | 89 | 1.877,04 | 21,09 | 2 |
| 2020 | 86 | 2.175,50 | 25,30 | 2 |
| 2021 | 71 | 1.922,26 | 27,07 | 2 |
| 2022 | 71 | 1.961,16 | 27,62 | 2 |
| 2023 | 79 | 2.780,48 | 35,20 | 3 |
| 2024 | 57 | 1.885,13 | 33,07 | 3 |
| totale | 2.209 | 51.527,50 | 23,33 | 42 |