| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 42 | 823,33 | 19,60 | 1 |
| 2007 | 28 | 806,36 | 28,80 | 1 |
| 2008 | 43 | 3.386,04 | 78,75 | 2 |
| 2009 | 38 | 3.079,50 | 81,04 | 3 |
| 2010 | 42 | 2.180,91 | 51,93 | 2 |
| 2011 | 43 | 3.268,75 | 76,02 | 2 |
| 2012 | 59 | 3.478,05 | 58,95 | 2 |
| 2013 | 55 | 3.665,22 | 66,64 | 2 |
| 2014 | 57 | 4.855,35 | 85,18 | 2 |
| 2015 | 48 | 2.095,81 | 43,66 | 2 |
| 2016 | 51 | 2.589,50 | 50,77 | 2 |
| 2017 | 51 | 2.108,24 | 41,34 | 2 |
| 2018 | 58 | 2.595,11 | 44,74 | 2 |
| 2019 | 57 | 3.199,53 | 56,13 | 2 |
| 2020 | 58 | 3.537,52 | 60,99 | 2 |
| 2021 | 53 | 2.422,65 | 45,71 | 2 |
| 2022 | 54 | 3.766,64 | 69,75 | 2 |
| 2023 | 57 | 2.362,60 | 41,45 | 2 |
| 2024 | 57 | 2.149,11 | 37,70 | 2 |
| totale | 951 | 52.370,22 | 55,07 | 37 |