| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 97 | 2.392,58 | 24,67 | 1 |
| 2009 | 23 | 473,36 | 20,58 | 1 |
| 2010 | 36 | 1.024,37 | 28,45 | 2 |
| 2011 | 17 | 535,86 | 31,52 | 1 |
| 2012 | 92 | 1.880,73 | 20,44 | 2 |
| 2013 | 97 | 1.618,71 | 16,69 | 2 |
| 2014 | 92 | 1.723,14 | 18,73 | 2 |
| 2015 | 75 | 1.523,10 | 20,31 | 2 |
| 2016 | 73 | 1.941,39 | 26,59 | 2 |
| 2017 | 32 | 822,02 | 25,69 | 2 |
| 2018 | 39 | 1.086,03 | 27,85 | 2 |
| 2019 | 43 | 1.176,53 | 27,36 | 2 |
| 2020 | 88 | 2.029,29 | 23,06 | 3 |
| 2021 | 64 | 1.638,24 | 25,60 | 3 |
| 2022 | 69 | 1.796,45 | 26,04 | 2 |
| 2023 | 68 | 1.709,20 | 25,14 | 2 |
| 2024 | 53 | 1.161,67 | 21,92 | 4 |
| totale | 1.058 | 24.532,67 | 23,19 | 35 |