| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 126 | 1.628,80 | 12,93 | 1 |
| 2009 | 47 | 574,68 | 12,23 | 1 |
| 2010 | 83 | 1.270,17 | 15,30 | 1 |
| 2012 | 56 | 1.092,99 | 19,52 | 1 |
| 2013 | 65 | 866,43 | 13,33 | 2 |
| 2014 | 78 | 1.768,85 | 22,68 | 2 |
| 2015 | 46 | 863,68 | 18,78 | 2 |
| 2016 | 85 | 2.129,76 | 25,06 | 2 |
| 2017 | 40 | 872,53 | 21,81 | 2 |
| 2018 | 40 | 819,49 | 20,49 | 2 |
| 2019 | 29 | 656,25 | 22,63 | 1 |
| 2020 | 42 | 951,76 | 22,66 | 1 |
| 2021 | 31 | 878,63 | 28,34 | 2 |
| 2022 | 38 | 915,61 | 24,10 | 3 |
| 2023 | 46 | 949,57 | 20,64 | 4 |
| 2024 | 46 | 848,66 | 18,45 | 4 |
| totale | 898 | 17.087,86 | 19,03 | 31 |