| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 125 | 2.659,68 | 21,28 | 2 |
| 2007 | 85 | 2.320,46 | 27,30 | 2 |
| 2008 | 29 | 899,80 | 31,03 | 1 |
| 2009 | 89 | 2.386,44 | 26,81 | 3 |
| 2010 | 192 | 3.758,41 | 19,58 | 3 |
| 2011 | 287 | 6.570,50 | 22,89 | 4 |
| 2012 | 913 | 16.078,11 | 17,61 | 5 |
| 2013 | 1.018 | 20.666,57 | 20,30 | 5 |
| 2014 | 1.180 | 28.350,69 | 24,03 | 6 |
| 2015 | 1.691 | 41.792,61 | 24,71 | 5 |
| 2016 | 1.039 | 27.159,48 | 26,14 | 5 |
| 2017 | 1.011 | 25.526,73 | 25,25 | 5 |
| 2018 | 1.002 | 23.795,70 | 23,75 | 6 |
| 2019 | 963 | 24.074,68 | 25,00 | 8 |
| 2020 | 987 | 24.934,81 | 25,26 | 8 |
| 2021 | 849 | 22.724,09 | 26,77 | 8 |
| 2022 | 896 | 22.397,58 | 25,00 | 8 |
| 2023 | 910 | 21.139,03 | 23,23 | 7 |
| 2024 | 1.215 | 28.032,38 | 23,07 | 11 |
| totale | 14.481 | 345.267,75 | 23,84 | 102 |