| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 159 | 3.470,94 | 21,83 | 3 |
| 2007 | 140 | 4.816,63 | 34,40 | 2 |
| 2008 | 175 | 4.975,11 | 28,43 | 2 |
| 2009 | 147 | 4.539,10 | 30,88 | 4 |
| 2010 | 172 | 4.556,45 | 26,49 | 3 |
| 2011 | 120 | 3.338,10 | 27,82 | 2 |
| 2012 | 158 | 4.280,12 | 27,09 | 3 |
| 2013 | 141 | 2.669,26 | 18,93 | 3 |
| 2014 | 130 | 2.816,95 | 21,67 | 3 |
| 2015 | 154 | 3.271,85 | 21,25 | 3 |
| 2016 | 214 | 4.060,60 | 18,97 | 2 |
| 2017 | 196 | 3.601,11 | 18,37 | 2 |
| 2018 | 176 | 3.276,61 | 18,62 | 2 |
| 2019 | 172 | 3.249,00 | 18,89 | 2 |
| 2020 | 175 | 3.277,00 | 18,73 | 2 |
| 2021 | 168 | 3.296,09 | 19,62 | 2 |
| 2022 | 150 | 3.172,86 | 21,15 | 2 |
| 2023 | 133 | 2.599,76 | 19,55 | 2 |
| 2024 | 131 | 2.444,73 | 18,66 | 2 |
| totale | 3.011 | 67.712,27 | 22,49 | 46 |