| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 71 | 1.861,94 | 26,22 | 1 |
| 2008 | 877 | 25.566,51 | 29,15 | 1 |
| 2009 | 891 | 26.204,11 | 29,41 | 2 |
| 2010 | 998 | 23.808,45 | 23,86 | 2 |
| 2011 | 1.043 | 25.867,48 | 24,80 | 1 |
| 2012 | 1.152 | 31.001,41 | 26,91 | 2 |
| 2013 | 1.210 | 29.719,52 | 24,56 | 2 |
| 2014 | 1.151 | 37.865,37 | 32,90 | 2 |
| 2015 | 1.206 | 40.075,17 | 33,23 | 3 |
| 2016 | 1.131 | 33.995,14 | 30,06 | 2 |
| 2017 | 1.075 | 36.557,49 | 34,01 | 2 |
| 2018 | 993 | 29.958,04 | 30,17 | 2 |
| 2019 | 964 | 28.214,66 | 29,27 | 2 |
| 2020 | 926 | 28.502,95 | 30,78 | 2 |
| 2021 | 841 | 24.106,77 | 28,66 | 2 |
| 2022 | 792 | 21.215,65 | 26,79 | 2 |
| 2023 | 690 | 17.832,10 | 25,84 | 2 |
| 2024 | 625 | 17.117,39 | 27,39 | 2 |
| totale | 16.636 | 479.470,15 | 28,82 | 34 |