| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 73 | 1.385,11 | 18,97 | 2 |
| 2009 | 27 | 482,24 | 17,86 | 1 |
| 2010 | 101 | 1.733,58 | 17,16 | 1 |
| 2012 | 81 | 1.292,22 | 15,95 | 2 |
| 2013 | 57 | 1.038,10 | 18,21 | 2 |
| 2014 | 47 | 1.115,07 | 23,72 | 2 |
| 2015 | 37 | 950,18 | 25,68 | 1 |
| 2016 | 42 | 1.012,08 | 24,10 | 1 |
| 2017 | 43 | 991,31 | 23,05 | 1 |
| 2018 | 34 | 849,00 | 24,97 | 1 |
| 2019 | 32 | 864,50 | 27,02 | 1 |
| 2020 | 32 | 961,98 | 30,06 | 1 |
| 2021 | 31 | 989,42 | 31,92 | 1 |
| 2022 | 27 | 907,09 | 33,60 | 1 |
| 2023 | 26 | 815,23 | 31,36 | 1 |
| 2024 | 21 | 640,18 | 30,48 | 1 |
| totale | 711 | 16.027,29 | 22,54 | 20 |