| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 1.500 | 32.863,09 | 21,91 | 4 |
| 2007 | 996 | 29.529,12 | 29,65 | 4 |
| 2008 | 1.510 | 43.989,44 | 29,13 | 5 |
| 2009 | 1.734 | 48.455,86 | 27,94 | 5 |
| 2010 | 1.631 | 39.389,72 | 24,15 | 5 |
| 2011 | 1.411 | 34.329,78 | 24,33 | 5 |
| 2012 | 1.443 | 34.892,31 | 24,18 | 6 |
| 2013 | 1.822 | 42.488,10 | 23,32 | 7 |
| 2014 | 1.814 | 51.862,89 | 28,59 | 6 |
| 2015 | 1.874 | 52.624,56 | 28,08 | 7 |
| 2016 | 1.954 | 56.944,06 | 29,14 | 8 |
| 2017 | 790 | 21.132,28 | 26,75 | 8 |
| 2018 | 657 | 18.301,11 | 27,86 | 8 |
| 2019 | 778 | 22.997,00 | 29,56 | 9 |
| 2020 | 853 | 25.768,02 | 30,21 | 10 |
| 2021 | 823 | 23.504,48 | 28,56 | 10 |
| 2022 | 555 | 16.833,97 | 30,33 | 7 |
| 2023 | 628 | 19.825,89 | 31,57 | 7 |
| 2024 | 630 | 19.927,65 | 31,63 | 8 |
| totale | 23.403 | 635.659,33 | 27,16 | 129 |