| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 298 | 8.629,32 | 28,96 | 2 |
| 2007 | 243 | 8.024,64 | 33,02 | 1 |
| 2008 | 341 | 9.927,00 | 29,11 | 2 |
| 2009 | 344 | 9.930,65 | 28,87 | 3 |
| 2010 | 301 | 9.953,97 | 33,07 | 3 |
| 2011 | 311 | 9.004,99 | 28,95 | 2 |
| 2012 | 195 | 3.953,60 | 20,27 | 2 |
| 2013 | 196 | 3.795,95 | 19,37 | 2 |
| 2014 | 183 | 4.542,57 | 24,82 | 2 |
| 2015 | 144 | 3.842,29 | 26,68 | 2 |
| 2016 | 2 | 87,25 | 43,63 | 1 |
| 2017 | 2 | 14,03 | 7,02 | 1 |
| 2018 | 2 | 61,61 | 30,81 | 1 |
| 2019 | 2 | 51,94 | 25,97 | 1 |
| 2020 | 22 | 734,33 | 33,38 | 2 |
| 2021 | 33 | 684,51 | 20,74 | 2 |
| 2022 | 30 | 587,98 | 19,60 | 2 |
| 2023 | 39 | 892,02 | 22,87 | 2 |
| 2024 | 35 | 659,52 | 18,84 | 2 |
| totale | 2.723 | 75.378,17 | 27,68 | 35 |