| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 915 | 22.290,87 | 24,36 | 6 |
| 2007 | 586 | 17.214,77 | 29,38 | 4 |
| 2008 | 628 | 16.393,44 | 26,10 | 5 |
| 2009 | 785 | 19.736,83 | 25,14 | 7 |
| 2010 | 693 | 20.110,91 | 29,02 | 7 |
| 2011 | 565 | 12.650,87 | 22,39 | 5 |
| 2012 | 601 | 14.992,25 | 24,95 | 8 |
| 2013 | 629 | 13.830,87 | 21,99 | 7 |
| 2014 | 668 | 19.093,08 | 28,58 | 8 |
| 2015 | 733 | 22.472,01 | 30,66 | 12 |
| 2016 | 859 | 24.370,95 | 28,37 | 12 |
| 2017 | 827 | 23.770,98 | 28,74 | 14 |
| 2018 | 895 | 24.316,25 | 27,17 | 14 |
| 2019 | 892 | 26.088,48 | 29,25 | 15 |
| 2020 | 976 | 27.924,68 | 28,61 | 16 |
| 2021 | 966 | 26.323,34 | 27,25 | 17 |
| 2022 | 966 | 26.792,66 | 27,74 | 19 |
| 2023 | 1.131 | 38.463,75 | 34,01 | 21 |
| 2024 | 1.213 | 42.021,30 | 34,64 | 24 |
| totale | 15.528 | 438.858,29 | 28,26 | 221 |