| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 10 | 133,93 | 13,39 | 1 |
| 2007 | 622 | 13.502,87 | 21,71 | 1 |
| 2008 | 331 | 8.859,66 | 26,77 | 3 |
| 2009 | 1 | 17,70 | 17,70 | 1 |
| 2010 | 0 | 0,00 | 0,00 | 1 |
| 2011 | 86 | 1.904,33 | 22,14 | 1 |
| 2012 | 323 | 6.196,34 | 19,18 | 2 |
| 2013 | 260 | 4.495,84 | 17,29 | 2 |
| 2014 | 184 | 3.401,31 | 18,49 | 2 |
| 2015 | 271 | 5.117,51 | 18,88 | 2 |
| 2016 | 203 | 3.957,03 | 19,49 | 2 |
| 2017 | 214 | 3.772,36 | 17,63 | 2 |
| 2018 | 83 | 1.562,29 | 18,82 | 2 |
| 2019 | 40 | 972,24 | 24,31 | 2 |
| 2020 | 31 | 663,89 | 21,42 | 2 |
| 2021 | 22 | 564,86 | 25,68 | 2 |
| 2022 | 21 | 619,52 | 29,50 | 2 |
| 2023 | 16 | 424,98 | 26,56 | 2 |
| 2024 | 20 | 450,34 | 22,52 | 5 |
| totale | 2.738 | 56.617,00 | 20,68 | 37 |