| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 73 | 1.200,29 | 16,44 | 1 |
| 2007 | 30 | 643,69 | 21,46 | 1 |
| 2008 | 36 | 880,35 | 24,45 | 1 |
| 2009 | 23 | 492,17 | 21,40 | 1 |
| 2010 | 61 | 1.290,41 | 21,15 | 2 |
| 2011 | 42 | 896,63 | 21,35 | 1 |
| 2012 | 48 | 1.025,18 | 21,36 | 2 |
| 2013 | 44 | 1.196,02 | 27,18 | 1 |
| 2014 | 39 | 1.453,67 | 37,27 | 1 |
| 2015 | 24 | 833,93 | 34,75 | 1 |
| 2016 | 27 | 848,74 | 31,43 | 2 |
| 2017 | 32 | 953,75 | 29,80 | 2 |
| 2018 | 19 | 481,67 | 25,35 | 2 |
| 2019 | 14 | 333,98 | 23,86 | 2 |
| 2020 | 17 | 408,28 | 24,02 | 2 |
| 2021 | 21 | 413,50 | 19,69 | 2 |
| 2022 | 21 | 364,02 | 17,33 | 3 |
| 2023 | 29 | 478,00 | 16,48 | 4 |
| 2024 | 34 | 585,95 | 17,23 | 4 |
| totale | 634 | 14.780,23 | 23,31 | 35 |