| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 49 | 748,82 | 15,28 | 1 |
| 2009 | 15 | 373,11 | 24,87 | 1 |
| 2010 | 133 | 4.486,71 | 33,73 | 2 |
| 2011 | 108 | 4.636,41 | 42,93 | 1 |
| 2012 | 135 | 5.170,73 | 38,30 | 3 |
| 2013 | 147 | 5.292,57 | 36,00 | 3 |
| 2014 | 139 | 5.795,00 | 41,69 | 3 |
| 2015 | 127 | 5.841,67 | 46,00 | 3 |
| 2016 | 114 | 5.836,53 | 51,20 | 3 |
| 2017 | 128 | 6.179,20 | 48,28 | 3 |
| 2018 | 157 | 6.083,62 | 38,75 | 4 |
| 2019 | 162 | 6.224,45 | 38,42 | 4 |
| 2020 | 136 | 5.234,40 | 38,49 | 4 |
| 2021 | 130 | 4.584,92 | 35,27 | 4 |
| 2022 | 126 | 4.634,82 | 36,78 | 4 |
| 2023 | 79 | 1.479,52 | 18,73 | 4 |
| 2024 | 85 | 1.824,04 | 21,46 | 4 |
| totale | 1.970 | 74.426,52 | 37,78 | 51 |