| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 42 | 609,91 | 14,52 | 2 |
| 2007 | 8 | 163,01 | 20,38 | 1 |
| 2008 | 2 | 24,42 | 12,21 | 1 |
| 2009 | 10 | 175,76 | 17,58 | 2 |
| 2010 | 6 | 136,05 | 22,68 | 2 |
| 2011 | 3 | 48,02 | 16,01 | 1 |
| 2012 | 120 | 2.682,54 | 22,35 | 3 |
| 2013 | 147 | 3.045,02 | 20,71 | 4 |
| 2014 | 183 | 4.118,42 | 22,51 | 4 |
| 2015 | 107 | 3.111,67 | 29,08 | 3 |
| 2016 | 78 | 2.089,03 | 26,78 | 3 |
| 2017 | 97 | 2.549,34 | 26,28 | 3 |
| 2018 | 21 | 218,37 | 10,40 | 2 |
| 2019 | 14 | 163,72 | 11,69 | 2 |
| 2020 | 7 | 111,25 | 15,89 | 2 |
| 2021 | 3 | 8,73 | 2,91 | 2 |
| 2022 | 50 | 666,74 | 13,33 | 3 |
| 2023 | 31 | 434,83 | 14,03 | 4 |
| 2024 | 32 | 312,62 | 9,77 | 4 |
| totale | 961 | 20.669,45 | 21,51 | 48 |