| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 129 | 1.113,20 | 8,63 | 1 |
| 2007 | 218 | 3.596,14 | 16,50 | 1 |
| 2008 | 243 | 4.074,69 | 16,77 | 1 |
| 2009 | 4 | 33,90 | 8,48 | 1 |
| 2010 | 7 | 75,43 | 10,78 | 1 |
| 2012 | 144 | 2.319,43 | 16,11 | 2 |
| 2013 | 147 | 2.086,20 | 14,19 | 2 |
| 2014 | 41 | 546,77 | 13,34 | 1 |
| 2015 | 33 | 746,35 | 22,62 | 2 |
| 2016 | 6 | 113,16 | 18,86 | 1 |
| 2017 | 4 | 72,98 | 18,25 | 1 |
| 2018 | 5 | 111,21 | 22,24 | 1 |
| 2019 | 5 | 116,91 | 23,38 | 1 |
| 2020 | 16 | 465,44 | 29,09 | 2 |
| 2021 | 99 | 1.774,89 | 17,93 | 2 |
| 2022 | 80 | 1.512,15 | 18,90 | 2 |
| 2023 | 82 | 1.406,01 | 17,15 | 2 |
| 2024 | 102 | 1.591,09 | 15,60 | 3 |
| totale | 1.365 | 21.755,95 | 15,94 | 27 |