| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 31 | 528,21 | 17,04 | 2 |
| 2007 | 23 | 399,82 | 17,38 | 1 |
| 2008 | 22 | 430,39 | 19,56 | 1 |
| 2009 | 61 | 1.990,79 | 32,64 | 3 |
| 2010 | 73 | 1.882,32 | 25,79 | 4 |
| 2011 | 42 | 976,33 | 23,25 | 2 |
| 2012 | 126 | 3.223,00 | 25,58 | 4 |
| 2013 | 92 | 2.244,19 | 24,39 | 3 |
| 2014 | 118 | 2.985,75 | 25,30 | 5 |
| 2015 | 106 | 2.834,49 | 26,74 | 4 |
| 2016 | 119 | 3.612,44 | 30,36 | 3 |
| 2017 | 139 | 4.163,95 | 29,96 | 4 |
| 2018 | 152 | 5.815,00 | 38,26 | 5 |
| 2019 | 160 | 5.245,48 | 32,78 | 5 |
| 2020 | 159 | 5.640,00 | 35,47 | 5 |
| 2021 | 142 | 4.682,64 | 32,98 | 5 |
| 2022 | 132 | 5.206,91 | 39,45 | 6 |
| 2023 | 166 | 6.404,84 | 38,58 | 6 |
| 2024 | 179 | 7.523,54 | 42,03 | 6 |
| totale | 2.042 | 65.790,09 | 32,22 | 74 |