| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 165 | 3.736,24 | 22,64 | 2 |
| 2007 | 131 | 3.513,02 | 26,82 | 1 |
| 2008 | 111 | 3.058,47 | 27,55 | 1 |
| 2009 | 98 | 2.712,32 | 27,68 | 2 |
| 2010 | 86 | 1.796,97 | 20,90 | 2 |
| 2011 | 68 | 1.336,12 | 19,65 | 1 |
| 2012 | 63 | 1.199,36 | 19,04 | 2 |
| 2013 | 84 | 2.513,36 | 29,92 | 2 |
| 2014 | 86 | 2.080,72 | 24,19 | 2 |
| 2015 | 91 | 2.357,65 | 25,91 | 2 |
| 2016 | 78 | 2.050,73 | 26,29 | 2 |
| 2017 | 95 | 2.344,10 | 24,67 | 2 |
| 2018 | 92 | 2.601,45 | 28,28 | 2 |
| 2019 | 81 | 2.508,51 | 30,97 | 2 |
| 2020 | 82 | 2.452,05 | 29,90 | 2 |
| 2021 | 83 | 2.427,07 | 29,24 | 2 |
| 2022 | 73 | 2.462,05 | 33,73 | 2 |
| 2023 | 79 | 2.806,04 | 35,52 | 2 |
| 2024 | 83 | 2.820,67 | 33,98 | 2 |
| totale | 1.729 | 46.776,90 | 27,05 | 35 |