| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 148 | 4.693,64 | 31,71 | 3 |
| 2007 | 43 | 1.743,51 | 40,55 | 2 |
| 2008 | 44 | 1.786,74 | 40,61 | 2 |
| 2009 | 58 | 2.080,43 | 35,87 | 2 |
| 2010 | 66 | 3.214,90 | 48,71 | 3 |
| 2011 | 37 | 1.809,34 | 48,90 | 1 |
| 2012 | 73 | 3.148,05 | 43,12 | 2 |
| 2013 | 84 | 3.848,91 | 45,82 | 4 |
| 2014 | 75 | 4.498,85 | 59,98 | 3 |
| 2015 | 63 | 3.106,04 | 49,30 | 3 |
| 2016 | 62 | 2.305,67 | 37,19 | 3 |
| 2017 | 54 | 4.326,83 | 80,13 | 3 |
| 2018 | 45 | 1.930,91 | 42,91 | 3 |
| 2019 | 46 | 2.134,25 | 46,40 | 3 |
| 2020 | 59 | 2.294,18 | 38,88 | 3 |
| 2021 | 58 | 2.228,32 | 38,42 | 4 |
| 2022 | 66 | 2.868,29 | 43,46 | 4 |
| 2023 | 58 | 2.262,16 | 39,00 | 4 |
| 2024 | 49 | 2.094,05 | 42,74 | 5 |
| totale | 1.188 | 52.375,07 | 44,09 | 57 |