| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 179 | 3.148,70 | 17,59 | 2 |
| 2007 | 417 | 9.460,40 | 22,69 | 3 |
| 2008 | 572 | 12.491,67 | 21,84 | 3 |
| 2009 | 333 | 8.760,37 | 26,31 | 4 |
| 2010 | 302 | 6.260,70 | 20,73 | 3 |
| 2011 | 147 | 3.126,09 | 21,27 | 1 |
| 2012 | 579 | 12.212,92 | 21,09 | 4 |
| 2013 | 189 | 3.073,58 | 16,26 | 2 |
| 2014 | 142 | 3.256,16 | 22,93 | 2 |
| 2015 | 144 | 2.779,60 | 19,30 | 2 |
| 2016 | 150 | 4.039,59 | 26,93 | 2 |
| 2017 | 132 | 2.217,80 | 16,80 | 2 |
| 2018 | 142 | 2.418,60 | 17,03 | 2 |
| 2019 | 102 | 2.029,00 | 19,89 | 2 |
| 2020 | 82 | 1.884,46 | 22,98 | 2 |
| 2021 | 77 | 1.817,51 | 23,60 | 2 |
| 2022 | 98 | 2.437,63 | 24,87 | 2 |
| 2023 | 109 | 2.447,04 | 22,45 | 2 |
| 2024 | 83 | 1.844,45 | 22,22 | 2 |
| totale | 3.979 | 85.706,27 | 21,54 | 44 |