| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 118 | 2.671,16 | 22,64 | 1 |
| 2009 | 268 | 11.767,51 | 43,91 | 4 |
| 2010 | 587 | 20.379,45 | 34,72 | 4 |
| 2011 | 1 | 8,62 | 8,62 | 1 |
| 2012 | 941 | 31.166,45 | 33,12 | 3 |
| 2013 | 1.228 | 38.682,47 | 31,50 | 3 |
| 2014 | 1.416 | 49.132,23 | 34,70 | 2 |
| 2015 | 1.351 | 47.241,49 | 34,97 | 3 |
| 2016 | 1.064 | 37.640,18 | 35,38 | 2 |
| 2017 | 944 | 33.200,50 | 35,17 | 3 |
| 2018 | 878 | 28.323,61 | 32,26 | 3 |
| 2019 | 832 | 26.129,91 | 31,41 | 3 |
| 2020 | 743 | 25.259,22 | 34,00 | 3 |
| 2021 | 731 | 24.429,33 | 33,42 | 3 |
| 2022 | 716 | 25.593,12 | 35,74 | 2 |
| 2023 | 772 | 24.815,67 | 32,14 | 2 |
| 2024 | 715 | 22.482,46 | 31,44 | 2 |
| totale | 13.305 | 448.923,38 | 33,74 | 44 |