| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 330 | 6.942,83 | 21,04 | 2 |
| 2007 | 21 | 1.243,07 | 59,19 | 1 |
| 2008 | 73 | 2.589,69 | 35,48 | 1 |
| 2009 | 137 | 4.168,93 | 30,43 | 2 |
| 2010 | 156 | 3.682,25 | 23,60 | 2 |
| 2011 | 80 | 2.087,17 | 26,09 | 1 |
| 2012 | 167 | 4.288,24 | 25,68 | 2 |
| 2013 | 145 | 3.870,36 | 26,69 | 2 |
| 2014 | 167 | 5.382,23 | 32,23 | 3 |
| 2015 | 141 | 5.969,59 | 42,34 | 2 |
| 2016 | 137 | 4.124,32 | 30,10 | 2 |
| 2017 | 134 | 3.702,11 | 27,63 | 2 |
| 2018 | 138 | 4.199,44 | 30,43 | 2 |
| 2019 | 145 | 4.415,03 | 30,45 | 2 |
| 2020 | 124 | 3.996,43 | 32,23 | 2 |
| 2021 | 137 | 3.741,99 | 27,31 | 3 |
| 2022 | 102 | 2.785,58 | 27,31 | 2 |
| 2023 | 108 | 2.480,95 | 22,97 | 3 |
| 2024 | 112 | 2.801,14 | 25,01 | 4 |
| totale | 2.554 | 72.471,35 | 28,38 | 40 |