| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 547 | 15.299,66 | 27,97 | 3 |
| 2007 | 414 | 14.602,11 | 35,27 | 2 |
| 2008 | 434 | 14.282,82 | 32,91 | 3 |
| 2009 | 529 | 16.506,15 | 31,20 | 4 |
| 2010 | 745 | 19.248,29 | 25,84 | 7 |
| 2011 | 526 | 14.558,30 | 27,68 | 4 |
| 2012 | 634 | 17.101,79 | 26,97 | 6 |
| 2013 | 761 | 17.728,76 | 23,30 | 8 |
| 2014 | 721 | 19.534,67 | 27,09 | 8 |
| 2015 | 659 | 17.439,52 | 26,46 | 8 |
| 2016 | 767 | 23.732,76 | 30,94 | 10 |
| 2017 | 786 | 24.539,38 | 31,22 | 10 |
| 2018 | 770 | 23.819,21 | 30,93 | 13 |
| 2019 | 808 | 23.666,51 | 29,29 | 13 |
| 2020 | 972 | 27.704,89 | 28,50 | 14 |
| 2021 | 846 | 24.221,00 | 28,63 | 17 |
| 2022 | 774 | 25.271,27 | 32,65 | 12 |
| 2023 | 875 | 29.682,88 | 33,92 | 15 |
| 2024 | 880 | 29.936,17 | 34,02 | 17 |
| totale | 13.448 | 398.876,14 | 29,66 | 174 |