| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 114 | 2.544,21 | 22,32 | 1 |
| 2008 | 1 | 43,84 | 43,84 | 1 |
| 2009 | 47 | 1.003,41 | 21,35 | 2 |
| 2010 | 204 | 4.361,96 | 21,38 | 2 |
| 2011 | 125 | 2.508,31 | 20,07 | 1 |
| 2012 | 101 | 2.000,84 | 19,81 | 2 |
| 2013 | 101 | 2.019,88 | 20,00 | 2 |
| 2014 | 97 | 2.511,39 | 25,89 | 3 |
| 2015 | 117 | 2.707,97 | 23,15 | 3 |
| 2016 | 116 | 2.993,41 | 25,81 | 3 |
| 2017 | 99 | 2.597,12 | 26,23 | 3 |
| 2018 | 100 | 2.478,73 | 24,79 | 3 |
| 2019 | 111 | 2.787,31 | 25,11 | 2 |
| 2020 | 110 | 2.809,39 | 25,54 | 2 |
| 2021 | 97 | 2.409,39 | 24,84 | 2 |
| 2022 | 96 | 2.360,75 | 24,59 | 2 |
| 2023 | 84 | 2.078,12 | 24,74 | 2 |
| 2024 | 84 | 1.895,62 | 22,57 | 2 |
| totale | 1.804 | 42.111,65 | 23,34 | 38 |