| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 950 | 16.747,66 | 17,63 | 3 |
| 2007 | 654 | 14.083,65 | 21,53 | 2 |
| 2008 | 847 | 19.651,31 | 23,20 | 2 |
| 2009 | 899 | 18.477,38 | 20,55 | 3 |
| 2010 | 988 | 17.610,88 | 17,82 | 5 |
| 2011 | 913 | 16.815,92 | 18,42 | 3 |
| 2012 | 923 | 17.452,84 | 18,91 | 2 |
| 2013 | 1.028 | 17.327,03 | 16,86 | 4 |
| 2014 | 995 | 23.109,04 | 23,23 | 4 |
| 2015 | 930 | 21.864,76 | 23,51 | 4 |
| 2016 | 969 | 20.334,16 | 20,98 | 4 |
| 2017 | 958 | 20.235,38 | 21,12 | 4 |
| 2018 | 966 | 20.586,48 | 21,31 | 5 |
| 2019 | 964 | 21.595,79 | 22,40 | 5 |
| 2020 | 888 | 19.791,51 | 22,29 | 5 |
| 2021 | 767 | 15.639,80 | 20,39 | 5 |
| 2022 | 782 | 17.329,08 | 22,16 | 5 |
| 2023 | 823 | 17.343,69 | 21,07 | 5 |
| 2024 | 789 | 16.001,58 | 20,28 | 6 |
| totale | 17.033 | 351.997,94 | 20,67 | 76 |