| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 21 | 257,93 | 12,28 | 1 |
| 2008 | 36 | 689,62 | 19,16 | 1 |
| 2009 | 48 | 911,77 | 19,00 | 2 |
| 2010 | 53 | 849,93 | 16,04 | 2 |
| 2011 | 34 | 586,92 | 17,26 | 1 |
| 2012 | 5 | 50,36 | 10,07 | 1 |
| 2013 | 43 | 625,76 | 14,55 | 2 |
| 2014 | 35 | 756,64 | 21,62 | 2 |
| 2015 | 47 | 880,18 | 18,73 | 2 |
| 2016 | 65 | 985,71 | 15,16 | 2 |
| 2017 | 57 | 805,94 | 14,14 | 2 |
| 2018 | 63 | 967,05 | 15,35 | 2 |
| 2019 | 63 | 990,71 | 15,73 | 2 |
| 2020 | 62 | 1.035,03 | 16,69 | 2 |
| 2021 | 65 | 1.019,26 | 15,68 | 2 |
| 2022 | 64 | 1.012,07 | 15,81 | 2 |
| 2023 | 58 | 822,09 | 14,17 | 2 |
| 2024 | 66 | 930,52 | 14,10 | 2 |
| totale | 885 | 14.177,49 | 16,02 | 32 |