| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 112 | 1.632,09 | 14,57 | 1 |
| 2008 | 47 | 923,78 | 19,65 | 2 |
| 2009 | 65 | 1.083,72 | 16,67 | 2 |
| 2010 | 9 | 142,83 | 15,87 | 1 |
| 2011 | 843 | 15.181,68 | 18,01 | 2 |
| 2012 | 575 | 13.036,48 | 22,67 | 3 |
| 2013 | 691 | 14.299,80 | 20,69 | 3 |
| 2014 | 812 | 21.300,33 | 26,23 | 3 |
| 2015 | 834 | 20.571,18 | 24,67 | 4 |
| 2016 | 963 | 24.404,72 | 25,34 | 5 |
| 2017 | 836 | 21.528,83 | 25,75 | 5 |
| 2018 | 749 | 19.548,63 | 26,10 | 5 |
| 2019 | 794 | 21.470,18 | 27,04 | 5 |
| 2020 | 776 | 21.792,55 | 28,08 | 5 |
| 2021 | 658 | 21.868,22 | 33,23 | 6 |
| 2022 | 614 | 19.392,77 | 31,58 | 6 |
| 2023 | 643 | 22.319,70 | 34,71 | 7 |
| 2024 | 690 | 21.523,68 | 31,19 | 8 |
| totale | 10.711 | 282.021,17 | 26,33 | 73 |