| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 113 | 2.739,00 | 24,24 | 3 |
| 2007 | 13 | 372,08 | 28,62 | 1 |
| 2008 | 50 | 1.835,30 | 36,71 | 1 |
| 2009 | 70 | 1.967,97 | 28,11 | 2 |
| 2010 | 57 | 1.609,61 | 28,24 | 2 |
| 2011 | 38 | 1.112,27 | 29,27 | 1 |
| 2012 | 70 | 1.781,50 | 25,45 | 2 |
| 2013 | 66 | 1.563,01 | 23,68 | 2 |
| 2014 | 76 | 2.053,88 | 27,02 | 3 |
| 2015 | 65 | 2.052,30 | 31,57 | 2 |
| 2016 | 61 | 2.216,72 | 36,34 | 2 |
| 2017 | 69 | 2.107,33 | 30,54 | 2 |
| 2018 | 65 | 2.109,29 | 32,45 | 2 |
| 2019 | 76 | 2.365,37 | 31,12 | 2 |
| 2020 | 51 | 1.790,92 | 35,12 | 2 |
| 2021 | 46 | 1.535,57 | 33,38 | 2 |
| 2022 | 16 | 610,15 | 38,13 | 2 |
| 2023 | 7 | 87,75 | 12,54 | 1 |
| 2024 | 0 | 0,00 | 0,00 | 1 |
| totale | 1.009 | 29.910,02 | 29,64 | 35 |