| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 131 | 2.403,98 | 18,35 | 1 |
| 2007 | 1.180 | 31.731,40 | 26,89 | 1 |
| 2008 | 994 | 23.670,62 | 23,81 | 2 |
| 2009 | 952 | 20.396,31 | 21,42 | 3 |
| 2010 | 1.275 | 24.984,97 | 19,60 | 4 |
| 2011 | 1.678 | 32.085,05 | 19,12 | 3 |
| 2012 | 1.741 | 35.328,37 | 20,29 | 5 |
| 2013 | 2.102 | 41.716,66 | 19,85 | 4 |
| 2014 | 1.824 | 42.008,52 | 23,03 | 3 |
| 2015 | 1.562 | 37.334,24 | 23,90 | 5 |
| 2016 | 1.710 | 40.731,43 | 23,82 | 5 |
| 2017 | 1.636 | 39.690,38 | 24,26 | 5 |
| 2018 | 1.568 | 39.112,78 | 24,94 | 6 |
| 2019 | 1.447 | 36.314,02 | 25,10 | 6 |
| 2020 | 1.301 | 34.539,27 | 26,55 | 6 |
| 2021 | 1.451 | 37.434,84 | 25,80 | 6 |
| 2022 | 1.346 | 37.383,63 | 27,77 | 8 |
| 2023 | 1.414 | 37.900,03 | 26,80 | 12 |
| 2024 | 1.443 | 37.758,66 | 26,17 | 12 |
| totale | 26.755 | 632.525,16 | 23,64 | 97 |