| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 965 | 18.314,80 | 18,98 | 4 |
| 2007 | 599 | 14.016,96 | 23,40 | 4 |
| 2008 | 821 | 18.365,10 | 22,37 | 4 |
| 2009 | 946 | 20.205,05 | 21,36 | 6 |
| 2010 | 887 | 16.593,53 | 18,71 | 4 |
| 2011 | 774 | 14.817,08 | 19,14 | 4 |
| 2012 | 1.153 | 23.687,83 | 20,54 | 6 |
| 2013 | 1.220 | 23.461,73 | 19,23 | 7 |
| 2014 | 988 | 24.881,34 | 25,18 | 6 |
| 2015 | 876 | 22.393,61 | 25,56 | 5 |
| 2016 | 928 | 25.011,24 | 26,95 | 5 |
| 2017 | 980 | 25.543,72 | 26,07 | 6 |
| 2018 | 949 | 25.794,76 | 27,18 | 7 |
| 2019 | 885 | 23.526,18 | 26,58 | 7 |
| 2020 | 827 | 22.971,13 | 27,78 | 7 |
| 2021 | 761 | 22.380,16 | 29,41 | 7 |
| 2022 | 717 | 21.531,59 | 30,03 | 7 |
| 2023 | 695 | 19.782,22 | 28,46 | 7 |
| 2024 | 740 | 21.633,17 | 29,23 | 7 |
| totale | 16.711 | 404.911,20 | 24,23 | 110 |