| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 182 | 3.181,62 | 17,48 | 1 |
| 2009 | 52 | 1.344,73 | 25,86 | 2 |
| 2010 | 26 | 561,31 | 21,59 | 1 |
| 2011 | 10 | 305,56 | 30,56 | 1 |
| 2012 | 56 | 1.555,57 | 27,78 | 2 |
| 2013 | 62 | 1.452,68 | 23,43 | 2 |
| 2014 | 59 | 1.855,21 | 31,44 | 2 |
| 2015 | 61 | 2.028,26 | 33,25 | 2 |
| 2016 | 25 | 721,53 | 28,86 | 1 |
| 2017 | 19 | 681,89 | 35,89 | 1 |
| 2018 | 55 | 2.034,16 | 36,98 | 2 |
| 2019 | 64 | 2.426,85 | 37,92 | 2 |
| 2020 | 64 | 2.543,86 | 39,75 | 2 |
| 2021 | 68 | 2.374,59 | 34,92 | 2 |
| 2022 | 64 | 2.484,67 | 38,82 | 2 |
| 2023 | 67 | 2.072,67 | 30,94 | 2 |
| 2024 | 58 | 1.824,11 | 31,45 | 2 |
| totale | 992 | 29.449,27 | 29,69 | 29 |