| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 831 | 29.642,89 | 35,67 | 5 |
| 2007 | 375 | 18.790,29 | 50,11 | 5 |
| 2008 | 381 | 16.792,74 | 44,08 | 4 |
| 2009 | 595 | 23.124,04 | 38,86 | 8 |
| 2010 | 804 | 24.982,88 | 31,07 | 7 |
| 2011 | 578 | 18.997,69 | 32,87 | 5 |
| 2012 | 706 | 22.149,14 | 31,37 | 7 |
| 2013 | 724 | 19.294,30 | 26,65 | 7 |
| 2014 | 719 | 24.839,41 | 34,55 | 10 |
| 2015 | 686 | 23.766,09 | 34,64 | 10 |
| 2016 | 680 | 24.567,85 | 36,13 | 9 |
| 2017 | 638 | 25.172,53 | 39,46 | 11 |
| 2018 | 590 | 23.312,14 | 39,51 | 11 |
| 2019 | 582 | 21.306,77 | 36,61 | 11 |
| 2020 | 636 | 24.187,69 | 38,03 | 13 |
| 2021 | 616 | 25.691,78 | 41,71 | 13 |
| 2022 | 630 | 26.243,06 | 41,66 | 14 |
| 2023 | 656 | 27.118,62 | 41,34 | 16 |
| 2024 | 711 | 30.385,75 | 42,74 | 19 |
| totale | 12.138 | 450.365,66 | 37,10 | 185 |