| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 3 | 27,70 | 9,23 | 1 |
| 2007 | 58 | 959,20 | 16,54 | 1 |
| 2008 | 105 | 1.735,99 | 16,53 | 2 |
| 2009 | 129 | 2.199,04 | 17,05 | 2 |
| 2010 | 92 | 1.403,98 | 15,26 | 2 |
| 2011 | 85 | 1.357,34 | 15,97 | 1 |
| 2012 | 69 | 1.189,56 | 17,24 | 3 |
| 2013 | 2 | 25,03 | 12,52 | 1 |
| 2014 | 2 | 5,43 | 2,72 | 1 |
| 2015 | 2 | 32,12 | 16,06 | 1 |
| 2016 | 2 | 17,14 | 8,57 | 1 |
| 2017 | 1 | 7,83 | 7,83 | 1 |
| 2018 | 3 | 141,15 | 47,05 | 1 |
| 2019 | 4 | 56,85 | 14,21 | 1 |
| 2020 | 1 | 11,25 | 11,25 | 1 |
| 2021 | 2 | 26,38 | 13,19 | 2 |
| 2022 | 2 | 27,44 | 13,72 | 2 |
| 2023 | 3 | 25,50 | 8,50 | 2 |
| 2024 | 1 | 20,26 | 20,26 | 2 |
| totale | 566 | 9.269,19 | 16,38 | 28 |