| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 179 | 5.074,81 | 28,35 | 2 |
| 2007 | 100 | 3.422,43 | 34,22 | 1 |
| 2008 | 104 | 3.655,45 | 35,15 | 1 |
| 2009 | 110 | 2.823,21 | 25,67 | 2 |
| 2010 | 97 | 1.934,80 | 19,95 | 2 |
| 2011 | 88 | 1.750,42 | 19,89 | 1 |
| 2012 | 102 | 2.473,58 | 24,25 | 3 |
| 2013 | 146 | 5.143,63 | 35,23 | 4 |
| 2014 | 151 | 5.487,83 | 36,34 | 3 |
| 2015 | 770 | 30.068,76 | 39,05 | 4 |
| 2016 | 143 | 5.016,90 | 35,08 | 3 |
| 2017 | 167 | 5.981,14 | 35,82 | 5 |
| 2018 | 141 | 4.657,62 | 33,03 | 5 |
| 2019 | 130 | 4.426,91 | 34,05 | 5 |
| 2020 | 166 | 5.728,04 | 34,51 | 5 |
| 2021 | 166 | 5.900,26 | 35,54 | 4 |
| 2022 | 96 | 3.965,31 | 41,31 | 3 |
| 2023 | 78 | 3.189,60 | 40,89 | 3 |
| 2024 | 148 | 5.164,64 | 34,90 | 4 |
| totale | 3.082 | 105.865,34 | 34,35 | 60 |