| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 12 | 242,11 | 20,18 | 1 |
| 2009 | 8 | 82,67 | 10,33 | 1 |
| 2010 | 79 | 1.937,79 | 24,53 | 2 |
| 2011 | 120 | 4.071,96 | 33,93 | 1 |
| 2012 | 198 | 6.707,26 | 33,88 | 3 |
| 2013 | 146 | 4.363,23 | 29,89 | 3 |
| 2014 | 65 | 3.414,95 | 52,54 | 3 |
| 2015 | 56 | 3.025,55 | 54,03 | 2 |
| 2016 | 48 | 2.108,78 | 43,93 | 2 |
| 2017 | 40 | 1.600,96 | 40,02 | 2 |
| 2018 | 34 | 1.652,37 | 48,60 | 2 |
| 2019 | 35 | 1.851,85 | 52,91 | 2 |
| 2020 | 29 | 1.499,23 | 51,70 | 2 |
| 2021 | 25 | 1.147,72 | 45,91 | 2 |
| 2022 | 22 | 1.001,07 | 45,50 | 2 |
| 2023 | 20 | 838,29 | 41,91 | 2 |
| 2024 | 16 | 614,44 | 38,40 | 2 |
| totale | 953 | 36.160,23 | 37,94 | 34 |