| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 101 | 3.384,00 | 33,50 | 2 |
| 2007 | 40 | 1.891,55 | 47,29 | 2 |
| 2008 | 41 | 1.527,19 | 37,25 | 2 |
| 2009 | 60 | 2.341,78 | 39,03 | 3 |
| 2010 | 30 | 1.096,16 | 36,54 | 2 |
| 2011 | 9 | 143,31 | 15,92 | 1 |
| 2012 | 29 | 958,71 | 33,06 | 2 |
| 2013 | 26 | 734,77 | 28,26 | 3 |
| 2014 | 29 | 967,88 | 33,38 | 2 |
| 2015 | 41 | 1.742,11 | 42,49 | 3 |
| 2016 | 62 | 2.439,97 | 39,35 | 3 |
| 2017 | 58 | 2.806,65 | 48,39 | 3 |
| 2018 | 63 | 2.897,19 | 45,99 | 3 |
| 2019 | 76 | 3.227,50 | 42,47 | 3 |
| 2020 | 86 | 4.187,10 | 48,69 | 3 |
| 2021 | 88 | 4.134,63 | 46,98 | 3 |
| 2022 | 100 | 6.229,57 | 62,30 | 3 |
| 2023 | 65 | 3.374,36 | 51,91 | 2 |
| 2024 | 90 | 4.756,57 | 52,85 | 3 |
| totale | 1.094 | 48.841,00 | 44,64 | 48 |