| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 197 | 3.688,46 | 18,72 | 2 |
| 2007 | 150 | 3.475,83 | 23,17 | 1 |
| 2009 | 130 | 3.032,69 | 23,33 | 2 |
| 2010 | 143 | 3.165,88 | 22,14 | 2 |
| 2012 | 131 | 2.953,44 | 22,55 | 2 |
| 2013 | 112 | 2.465,90 | 22,02 | 2 |
| 2014 | 139 | 4.078,50 | 29,34 | 2 |
| 2015 | 133 | 3.853,72 | 28,98 | 2 |
| 2016 | 117 | 3.712,32 | 31,73 | 2 |
| 2017 | 107 | 3.243,03 | 30,31 | 2 |
| 2018 | 101 | 3.196,95 | 31,65 | 2 |
| 2019 | 86 | 2.961,48 | 34,44 | 2 |
| 2020 | 94 | 3.243,59 | 34,51 | 2 |
| 2021 | 85 | 3.103,33 | 36,51 | 2 |
| 2022 | 84 | 2.635,41 | 31,37 | 2 |
| 2023 | 166 | 4.889,74 | 29,46 | 2 |
| 2024 | 146 | 4.757,25 | 32,58 | 2 |
| totale | 2.121 | 58.457,52 | 27,56 | 33 |