| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 812 | 24.159,82 | 29,75 | 10 |
| 2007 | 418 | 14.992,56 | 35,87 | 8 |
| 2008 | 792 | 26.564,91 | 33,54 | 10 |
| 2009 | 524 | 16.862,42 | 32,18 | 9 |
| 2010 | 898 | 26.795,70 | 29,84 | 18 |
| 2011 | 672 | 19.400,22 | 28,87 | 12 |
| 2012 | 718 | 21.474,54 | 29,91 | 12 |
| 2013 | 985 | 26.340,10 | 26,74 | 11 |
| 2014 | 916 | 32.020,66 | 34,96 | 15 |
| 2015 | 812 | 30.034,48 | 36,99 | 12 |
| 2016 | 930 | 32.143,86 | 34,56 | 12 |
| 2017 | 1.164 | 40.990,23 | 35,21 | 17 |
| 2018 | 1.034 | 35.955,33 | 34,77 | 17 |
| 2019 | 913 | 32.551,87 | 35,65 | 20 |
| 2020 | 1.047 | 34.619,82 | 33,07 | 20 |
| 2021 | 1.050 | 33.573,47 | 31,97 | 20 |
| 2022 | 934 | 30.908,95 | 33,09 | 23 |
| 2023 | 944 | 31.423,60 | 33,29 | 26 |
| 2024 | 1.102 | 36.486,45 | 33,11 | 29 |
| totale | 16.665 | 547.298,99 | 32,84 | 301 |