| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 56 | 892,60 | 15,94 | 1 |
| 2007 | 88 | 1.385,25 | 15,74 | 1 |
| 2008 | 100 | 1.698,67 | 16,99 | 1 |
| 2009 | 130 | 1.771,88 | 13,63 | 2 |
| 2010 | 109 | 1.385,31 | 12,71 | 2 |
| 2011 | 17 | 282,48 | 16,62 | 1 |
| 2012 | 130 | 1.535,01 | 11,81 | 2 |
| 2013 | 116 | 1.287,47 | 11,10 | 2 |
| 2014 | 4 | 227,95 | 56,99 | 1 |
| 2015 | 120 | 1.837,25 | 15,31 | 2 |
| 2016 | 90 | 1.398,15 | 15,54 | 2 |
| 2017 | 78 | 1.144,69 | 14,68 | 2 |
| 2018 | 57 | 853,19 | 14,97 | 2 |
| 2019 | 96 | 1.230,64 | 12,82 | 2 |
| 2020 | 50 | 865,16 | 17,30 | 2 |
| 2021 | 125 | 1.780,06 | 14,24 | 2 |
| 2022 | 149 | 2.098,92 | 14,09 | 2 |
| 2023 | 168 | 2.201,55 | 13,10 | 2 |
| 2024 | 179 | 2.279,85 | 12,74 | 2 |
| totale | 1.862 | 26.156,08 | 14,05 | 33 |