| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 831 | 17.263,74 | 20,77 | 2 |
| 2007 | 352 | 11.221,10 | 31,88 | 2 |
| 2008 | 239 | 6.777,17 | 28,36 | 2 |
| 2009 | 559 | 16.152,14 | 28,89 | 4 |
| 2010 | 690 | 17.055,19 | 24,72 | 5 |
| 2011 | 474 | 11.296,51 | 23,83 | 3 |
| 2012 | 690 | 16.524,02 | 23,95 | 4 |
| 2013 | 821 | 16.941,09 | 20,63 | 6 |
| 2014 | 859 | 24.333,66 | 28,33 | 6 |
| 2015 | 832 | 23.654,70 | 28,43 | 6 |
| 2016 | 858 | 25.187,46 | 29,36 | 6 |
| 2017 | 904 | 26.001,67 | 28,76 | 8 |
| 2018 | 928 | 29.645,27 | 31,95 | 8 |
| 2019 | 923 | 29.301,70 | 31,75 | 8 |
| 2020 | 965 | 33.103,75 | 34,30 | 9 |
| 2021 | 977 | 29.743,42 | 30,44 | 9 |
| 2022 | 938 | 30.335,13 | 32,34 | 9 |
| 2023 | 941 | 28.173,72 | 29,94 | 9 |
| 2024 | 974 | 29.090,73 | 29,87 | 9 |
| totale | 14.755 | 421.802,17 | 28,59 | 115 |