| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 2 | 43,54 | 21,77 | 1 |
| 2008 | 2 | 62,51 | 31,26 | 1 |
| 2009 | 67 | 623,69 | 9,31 | 1 |
| 2010 | 82 | 802,16 | 9,78 | 2 |
| 2011 | 8 | 127,22 | 15,90 | 1 |
| 2012 | 24 | 169,20 | 7,05 | 1 |
| 2013 | 64 | 508,36 | 7,94 | 1 |
| 2014 | 48 | 500,43 | 10,43 | 1 |
| 2015 | 49 | 503,90 | 10,28 | 1 |
| 2016 | 34 | 276,92 | 8,14 | 1 |
| 2017 | 33 | 294,61 | 8,93 | 1 |
| 2018 | 19 | 157,83 | 8,31 | 1 |
| 2019 | 19 | 151,05 | 7,95 | 1 |
| 2020 | 59 | 888,50 | 15,06 | 2 |
| 2021 | 61 | 913,36 | 14,97 | 2 |
| 2022 | 52 | 840,15 | 16,16 | 2 |
| 2023 | 79 | 1.140,35 | 14,43 | 2 |
| 2024 | 143 | 2.250,58 | 15,74 | 3 |
| totale | 845 | 10.254,36 | 12,14 | 25 |