| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 931 | 22.060,15 | 23,70 | 4 |
| 2007 | 826 | 20.923,70 | 25,33 | 3 |
| 2008 | 798 | 20.526,75 | 25,72 | 3 |
| 2009 | 802 | 20.217,97 | 25,21 | 5 |
| 2010 | 656 | 12.370,62 | 18,86 | 3 |
| 2011 | 975 | 18.812,99 | 19,30 | 3 |
| 2012 | 1.053 | 23.399,02 | 22,22 | 5 |
| 2013 | 897 | 18.644,33 | 20,79 | 5 |
| 2014 | 971 | 25.562,80 | 26,33 | 5 |
| 2015 | 851 | 22.721,27 | 26,70 | 6 |
| 2016 | 961 | 25.387,14 | 26,42 | 7 |
| 2017 | 870 | 21.377,37 | 24,57 | 6 |
| 2018 | 860 | 20.385,59 | 23,70 | 6 |
| 2019 | 841 | 20.572,07 | 24,46 | 6 |
| 2020 | 750 | 21.533,54 | 28,71 | 7 |
| 2021 | 713 | 19.539,30 | 27,40 | 6 |
| 2022 | 595 | 17.224,50 | 28,95 | 6 |
| 2023 | 618 | 17.487,84 | 28,30 | 8 |
| 2024 | 661 | 18.771,01 | 28,40 | 8 |
| totale | 15.629 | 387.517,96 | 24,79 | 102 |