| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 1.145 | 30.733,29 | 26,84 | 5 |
| 2007 | 1.013 | 34.135,57 | 33,70 | 5 |
| 2008 | 954 | 33.427,44 | 35,04 | 4 |
| 2009 | 1.063 | 34.533,20 | 32,49 | 5 |
| 2010 | 1.043 | 28.435,32 | 27,26 | 6 |
| 2011 | 677 | 16.508,67 | 24,39 | 2 |
| 2012 | 1.017 | 30.281,30 | 29,78 | 8 |
| 2013 | 1.094 | 28.733,01 | 26,26 | 9 |
| 2014 | 1.050 | 36.185,07 | 34,46 | 10 |
| 2015 | 1.038 | 37.491,49 | 36,12 | 9 |
| 2016 | 1.005 | 38.671,84 | 38,48 | 9 |
| 2017 | 998 | 34.357,50 | 34,43 | 10 |
| 2018 | 924 | 29.297,56 | 31,71 | 11 |
| 2019 | 998 | 32.349,10 | 32,41 | 12 |
| 2020 | 967 | 31.050,59 | 32,11 | 12 |
| 2021 | 880 | 26.444,51 | 30,05 | 9 |
| 2022 | 742 | 21.160,89 | 28,52 | 8 |
| 2023 | 772 | 22.154,94 | 28,70 | 10 |
| 2024 | 827 | 21.720,08 | 26,26 | 12 |
| totale | 18.207 | 567.671,37 | 31,18 | 156 |