| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 98 | 1.892,29 | 19,31 | 1 |
| 2009 | 23 | 623,81 | 27,12 | 1 |
| 2010 | 134 | 4.246,08 | 31,69 | 2 |
| 2011 | 728 | 17.399,76 | 23,90 | 1 |
| 2012 | 775 | 19.329,08 | 24,94 | 2 |
| 2013 | 770 | 19.306,97 | 25,07 | 2 |
| 2014 | 969 | 30.297,27 | 31,27 | 2 |
| 2015 | 918 | 30.864,42 | 33,62 | 2 |
| 2016 | 890 | 31.859,02 | 35,80 | 2 |
| 2017 | 827 | 32.798,56 | 39,66 | 2 |
| 2018 | 861 | 32.308,47 | 37,52 | 2 |
| 2019 | 17 | 594,83 | 34,99 | 1 |
| 2020 | 642 | 27.057,29 | 42,15 | 2 |
| 2021 | 521 | 20.280,31 | 38,93 | 2 |
| 2022 | 1.436 | 46.807,99 | 32,60 | 3 |
| 2023 | 855 | 29.207,52 | 34,16 | 3 |
| 2024 | 631 | 19.688,76 | 31,20 | 3 |
| totale | 11.095 | 364.562,43 | 32,86 | 33 |