| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 324 | 7.026,49 | 21,69 | 3 |
| 2007 | 117 | 3.136,10 | 26,80 | 3 |
| 2008 | 92 | 2.608,83 | 28,36 | 2 |
| 2009 | 188 | 4.721,93 | 25,12 | 3 |
| 2010 | 209 | 4.704,53 | 22,51 | 3 |
| 2011 | 92 | 2.396,75 | 26,05 | 2 |
| 2012 | 154 | 3.823,65 | 24,83 | 3 |
| 2013 | 149 | 3.280,98 | 22,02 | 3 |
| 2014 | 160 | 4.305,22 | 26,91 | 3 |
| 2015 | 146 | 3.764,53 | 25,78 | 3 |
| 2016 | 154 | 4.057,47 | 26,35 | 3 |
| 2017 | 141 | 3.796,13 | 26,92 | 4 |
| 2018 | 136 | 3.384,83 | 24,89 | 4 |
| 2019 | 153 | 3.605,85 | 23,57 | 4 |
| 2020 | 152 | 4.167,54 | 27,42 | 4 |
| 2021 | 124 | 3.102,23 | 25,02 | 4 |
| 2022 | 126 | 3.540,21 | 28,10 | 3 |
| 2023 | 121 | 3.797,82 | 31,39 | 3 |
| 2024 | 120 | 3.347,71 | 27,90 | 3 |
| totale | 2.858 | 72.568,80 | 25,39 | 60 |