| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 154 | 3.779,42 | 24,54 | 2 |
| 2007 | 92 | 2.927,45 | 31,82 | 1 |
| 2008 | 99 | 2.888,28 | 29,17 | 1 |
| 2009 | 153 | 4.248,58 | 27,77 | 2 |
| 2010 | 147 | 3.419,63 | 23,26 | 3 |
| 2011 | 123 | 3.300,63 | 26,83 | 1 |
| 2012 | 171 | 4.978,80 | 29,12 | 4 |
| 2013 | 183 | 4.527,72 | 24,74 | 4 |
| 2014 | 159 | 4.716,09 | 29,66 | 4 |
| 2015 | 151 | 4.798,52 | 31,78 | 4 |
| 2016 | 158 | 4.503,90 | 28,51 | 4 |
| 2017 | 172 | 5.621,94 | 32,69 | 5 |
| 2018 | 165 | 5.479,21 | 33,21 | 5 |
| 2019 | 170 | 5.964,15 | 35,08 | 6 |
| 2020 | 144 | 5.901,39 | 40,98 | 6 |
| 2021 | 145 | 5.732,06 | 39,53 | 6 |
| 2022 | 141 | 6.549,38 | 46,45 | 6 |
| 2023 | 146 | 6.485,20 | 44,42 | 6 |
| 2024 | 152 | 6.288,89 | 41,37 | 6 |
| totale | 2.825 | 92.111,24 | 32,61 | 76 |