| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 10 | 382,80 | 38,28 | 2 |
| 2009 | 12 | 856,97 | 71,41 | 2 |
| 2010 | 23 | 1.793,24 | 77,97 | 2 |
| 2011 | 24 | 1.906,79 | 79,45 | 1 |
| 2012 | 31 | 2.271,43 | 73,27 | 2 |
| 2013 | 33 | 1.867,36 | 56,59 | 2 |
| 2014 | 35 | 2.412,89 | 68,94 | 2 |
| 2015 | 41 | 2.390,97 | 58,32 | 2 |
| 2016 | 36 | 2.085,48 | 57,93 | 2 |
| 2017 | 30 | 1.359,10 | 45,30 | 2 |
| 2018 | 33 | 1.266,06 | 38,37 | 2 |
| 2019 | 40 | 1.718,71 | 42,97 | 2 |
| 2020 | 37 | 2.186,47 | 59,09 | 2 |
| 2021 | 32 | 2.122,32 | 66,32 | 2 |
| 2022 | 43 | 4.329,50 | 100,69 | 2 |
| 2023 | 52 | 2.838,56 | 54,59 | 3 |
| 2024 | 44 | 2.940,67 | 66,83 | 3 |
| totale | 556 | 34.729,32 | 62,46 | 35 |