| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 823 | 19.220,94 | 23,35 | 3 |
| 2007 | 692 | 17.979,31 | 25,98 | 1 |
| 2008 | 688 | 18.717,50 | 27,21 | 2 |
| 2009 | 745 | 19.974,32 | 26,81 | 3 |
| 2010 | 1.055 | 24.372,64 | 23,10 | 4 |
| 2011 | 908 | 20.619,95 | 22,71 | 2 |
| 2012 | 1.016 | 24.540,57 | 24,15 | 4 |
| 2013 | 1.105 | 25.075,38 | 22,69 | 5 |
| 2014 | 1.095 | 32.479,19 | 29,66 | 6 |
| 2015 | 1.046 | 31.449,76 | 30,07 | 7 |
| 2016 | 936 | 28.962,02 | 30,94 | 6 |
| 2017 | 1.053 | 31.260,70 | 29,69 | 7 |
| 2018 | 1.026 | 30.480,29 | 29,71 | 7 |
| 2019 | 1.025 | 32.988,05 | 32,18 | 7 |
| 2020 | 953 | 30.605,92 | 32,12 | 6 |
| 2021 | 1.000 | 29.305,79 | 29,31 | 6 |
| 2022 | 1.019 | 34.132,82 | 33,50 | 7 |
| 2023 | 1.016 | 31.948,10 | 31,44 | 8 |
| 2024 | 1.036 | 32.479,98 | 31,35 | 9 |
| totale | 18.237 | 516.593,23 | 28,33 | 100 |