| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 41 | 538,21 | 13,13 | 1 |
| 2007 | 56 | 1.568,00 | 28,00 | 1 |
| 2008 | 43 | 1.330,24 | 30,94 | 1 |
| 2009 | 15 | 274,41 | 18,29 | 1 |
| 2010 | 15 | 285,36 | 19,02 | 1 |
| 2012 | 21 | 250,38 | 11,92 | 1 |
| 2013 | 12 | 147,26 | 12,27 | 1 |
| 2014 | 14 | 408,98 | 29,21 | 1 |
| 2015 | 14 | 287,41 | 20,53 | 1 |
| 2016 | 14 | 203,34 | 14,52 | 1 |
| 2017 | 13 | 191,63 | 14,74 | 1 |
| 2018 | 15 | 163,21 | 10,88 | 1 |
| 2019 | 9 | 165,65 | 18,41 | 1 |
| 2020 | 12 | 207,79 | 17,32 | 1 |
| 2021 | 14 | 263,82 | 18,84 | 1 |
| 2022 | 15 | 333,41 | 22,23 | 1 |
| 2023 | 135 | 2.322,38 | 17,20 | 2 |
| 2024 | 131 | 2.120,89 | 16,19 | 2 |
| totale | 589 | 11.062,37 | 18,78 | 20 |