| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 35 | 1.021,35 | 29,18 | 1 |
| 2007 | 16 | 1.192,57 | 74,54 | 1 |
| 2008 | 117 | 3.565,89 | 30,48 | 2 |
| 2009 | 103 | 3.770,44 | 36,61 | 3 |
| 2010 | 119 | 3.154,31 | 26,51 | 3 |
| 2011 | 125 | 4.103,01 | 32,82 | 2 |
| 2012 | 125 | 3.597,66 | 28,78 | 3 |
| 2013 | 128 | 4.148,12 | 32,41 | 3 |
| 2014 | 128 | 4.741,39 | 37,04 | 3 |
| 2015 | 127 | 4.660,48 | 36,70 | 3 |
| 2016 | 136 | 4.875,32 | 35,85 | 3 |
| 2017 | 131 | 4.644,57 | 35,45 | 3 |
| 2018 | 133 | 5.549,66 | 41,73 | 3 |
| 2019 | 143 | 6.270,17 | 43,85 | 3 |
| 2020 | 150 | 6.672,36 | 44,48 | 3 |
| 2021 | 152 | 6.735,72 | 44,31 | 3 |
| 2022 | 161 | 7.722,80 | 47,97 | 3 |
| 2023 | 163 | 11.547,23 | 70,84 | 3 |
| 2024 | 170 | 8.719,07 | 51,29 | 3 |
| totale | 2.362 | 96.692,12 | 40,94 | 51 |