| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 1.424 | 28.010,79 | 19,67 | 9 |
| 2007 | 922 | 23.456,58 | 25,44 | 9 |
| 2008 | 760 | 20.564,65 | 27,06 | 10 |
| 2009 | 1.051 | 27.996,25 | 26,64 | 16 |
| 2010 | 1.214 | 25.925,43 | 21,36 | 16 |
| 2011 | 954 | 20.321,02 | 21,30 | 10 |
| 2012 | 928 | 24.337,10 | 26,23 | 16 |
| 2013 | 938 | 22.201,78 | 23,67 | 14 |
| 2014 | 981 | 30.775,64 | 31,37 | 16 |
| 2015 | 1.110 | 34.649,14 | 31,22 | 16 |
| 2016 | 1.021 | 32.660,52 | 31,99 | 17 |
| 2017 | 1.075 | 32.611,99 | 30,34 | 18 |
| 2018 | 1.079 | 32.936,49 | 30,53 | 17 |
| 2019 | 1.122 | 35.890,28 | 31,99 | 19 |
| 2020 | 1.166 | 38.809,19 | 33,28 | 19 |
| 2021 | 1.149 | 40.149,78 | 34,94 | 17 |
| 2022 | 732 | 24.723,33 | 33,78 | 13 |
| 2023 | 688 | 23.915,65 | 34,76 | 14 |
| 2024 | 759 | 22.273,41 | 29,35 | 16 |
| totale | 19.073 | 542.209,02 | 28,43 | 282 |