| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 166 | 3.774,13 | 22,74 | 2 |
| 2007 | 134 | 2.957,52 | 22,07 | 1 |
| 2008 | 141 | 3.501,69 | 24,83 | 1 |
| 2009 | 136 | 3.327,69 | 24,47 | 2 |
| 2010 | 139 | 3.137,42 | 22,57 | 2 |
| 2011 | 114 | 2.514,49 | 22,06 | 1 |
| 2012 | 106 | 2.550,27 | 24,06 | 2 |
| 2013 | 95 | 2.229,70 | 23,47 | 2 |
| 2014 | 101 | 2.638,94 | 26,13 | 2 |
| 2015 | 96 | 2.469,90 | 25,73 | 2 |
| 2016 | 92 | 2.129,37 | 23,15 | 2 |
| 2017 | 100 | 2.021,96 | 20,22 | 2 |
| 2018 | 91 | 1.883,42 | 20,70 | 2 |
| 2019 | 82 | 1.671,97 | 20,39 | 2 |
| 2020 | 80 | 1.534,07 | 19,18 | 2 |
| 2021 | 66 | 1.527,64 | 23,15 | 2 |
| 2022 | 69 | 1.774,07 | 25,71 | 2 |
| 2023 | 68 | 1.998,66 | 29,39 | 2 |
| 2024 | 63 | 1.598,38 | 25,37 | 2 |
| totale | 1.939 | 45.241,29 | 23,33 | 35 |