| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 176 | 3.477,36 | 19,76 | 1 |
| 2009 | 161 | 3.252,36 | 20,20 | 2 |
| 2010 | 113 | 2.166,34 | 19,17 | 1 |
| 2011 | 19 | 298,55 | 15,71 | 2 |
| 2012 | 180 | 3.963,36 | 22,02 | 3 |
| 2013 | 201 | 4.205,40 | 20,92 | 3 |
| 2014 | 135 | 3.479,62 | 25,77 | 3 |
| 2015 | 250 | 6.097,30 | 24,39 | 3 |
| 2016 | 137 | 3.558,76 | 25,98 | 3 |
| 2017 | 135 | 3.175,16 | 23,52 | 3 |
| 2018 | 124 | 2.997,32 | 24,17 | 3 |
| 2019 | 127 | 3.364,77 | 26,49 | 3 |
| 2020 | 123 | 3.550,09 | 28,86 | 3 |
| 2021 | 116 | 3.481,67 | 30,01 | 4 |
| 2022 | 118 | 3.883,37 | 32,91 | 4 |
| 2023 | 104 | 3.002,27 | 28,87 | 3 |
| 2024 | 112 | 3.316,85 | 29,61 | 4 |
| totale | 2.331 | 57.270,55 | 24,57 | 48 |