| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 146 | 2.076,64 | 14,22 | 2 |
| 2007 | 28 | 655,28 | 23,40 | 1 |
| 2008 | 26 | 619,98 | 23,85 | 1 |
| 2009 | 82 | 1.745,92 | 21,29 | 2 |
| 2010 | 113 | 1.911,67 | 16,92 | 3 |
| 2011 | 157 | 4.822,90 | 30,72 | 2 |
| 2012 | 184 | 5.172,85 | 28,11 | 4 |
| 2013 | 184 | 4.696,46 | 25,52 | 4 |
| 2014 | 159 | 5.093,22 | 32,03 | 3 |
| 2015 | 127 | 3.340,48 | 26,30 | 4 |
| 2016 | 134 | 3.396,92 | 25,35 | 3 |
| 2017 | 124 | 3.390,47 | 27,34 | 3 |
| 2018 | 95 | 2.197,21 | 23,13 | 2 |
| 2019 | 95 | 2.010,23 | 21,16 | 2 |
| 2020 | 84 | 1.885,75 | 22,45 | 2 |
| 2021 | 79 | 2.021,28 | 25,59 | 2 |
| 2022 | 82 | 2.207,17 | 26,92 | 2 |
| 2023 | 84 | 2.667,58 | 31,76 | 2 |
| 2024 | 76 | 2.215,07 | 29,15 | 3 |
| totale | 2.059 | 52.127,08 | 25,32 | 47 |