| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 27 | 496,96 | 18,41 | 2 |
| 2007 | 37 | 837,75 | 22,64 | 1 |
| 2009 | 31 | 686,32 | 22,14 | 2 |
| 2010 | 35 | 686,54 | 19,62 | 2 |
| 2011 | 52 | 918,84 | 17,67 | 1 |
| 2012 | 73 | 1.337,63 | 18,32 | 2 |
| 2013 | 52 | 915,07 | 17,60 | 2 |
| 2014 | 2 | 24,08 | 12,04 | 1 |
| 2015 | 6 | 175,10 | 29,18 | 1 |
| 2016 | 57 | 1.031,01 | 18,09 | 2 |
| 2017 | 48 | 878,28 | 18,30 | 2 |
| 2018 | 44 | 796,16 | 18,09 | 2 |
| 2019 | 41 | 714,99 | 17,44 | 2 |
| 2020 | 35 | 799,46 | 22,84 | 2 |
| 2021 | 32 | 597,76 | 18,68 | 2 |
| 2022 | 10 | 170,31 | 17,03 | 1 |
| 2023 | 4 | 63,71 | 15,93 | 1 |
| 2024 | 10 | 420,24 | 42,02 | 1 |
| totale | 596 | 11.550,21 | 19,38 | 29 |