| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 314 | 4.110,10 | 13,09 | 1 |
| 2007 | 3 | 100,34 | 33,45 | 1 |
| 2008 | 2 | 31,13 | 15,57 | 1 |
| 2009 | 111 | 1.653,68 | 14,90 | 2 |
| 2010 | 118 | 1.387,44 | 11,76 | 1 |
| 2012 | 144 | 1.719,08 | 11,94 | 2 |
| 2013 | 144 | 1.770,05 | 12,29 | 2 |
| 2014 | 144 | 2.348,45 | 16,31 | 2 |
| 2015 | 136 | 1.981,14 | 14,57 | 2 |
| 2016 | 120 | 1.774,52 | 14,79 | 1 |
| 2017 | 133 | 1.875,78 | 14,10 | 2 |
| 2018 | 124 | 1.881,30 | 15,17 | 2 |
| 2019 | 133 | 2.004,01 | 15,07 | 2 |
| 2020 | 117 | 1.827,07 | 15,62 | 2 |
| 2021 | 122 | 1.930,76 | 15,83 | 2 |
| 2022 | 118 | 2.065,56 | 17,50 | 2 |
| 2023 | 115 | 1.991,56 | 17,32 | 2 |
| 2024 | 110 | 1.870,68 | 17,01 | 4 |
| totale | 2.208 | 32.322,65 | 14,64 | 33 |