| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 193 | 4.807,89 | 24,91 | 3 |
| 2007 | 38 | 1.172,22 | 30,85 | 2 |
| 2008 | 24 | 856,91 | 35,70 | 2 |
| 2009 | 72 | 2.255,68 | 31,33 | 3 |
| 2010 | 82 | 2.143,10 | 26,14 | 3 |
| 2011 | 51 | 1.450,76 | 28,45 | 2 |
| 2012 | 84 | 2.057,90 | 24,50 | 3 |
| 2013 | 105 | 2.212,10 | 21,07 | 3 |
| 2014 | 97 | 2.652,75 | 27,35 | 3 |
| 2015 | 83 | 2.569,83 | 30,96 | 3 |
| 2016 | 87 | 2.901,40 | 33,35 | 2 |
| 2017 | 94 | 3.260,19 | 34,68 | 3 |
| 2018 | 92 | 2.955,47 | 32,12 | 3 |
| 2019 | 88 | 2.684,97 | 30,51 | 3 |
| 2020 | 92 | 2.806,52 | 30,51 | 3 |
| 2021 | 82 | 2.597,04 | 31,67 | 3 |
| 2022 | 83 | 2.443,73 | 29,44 | 2 |
| 2023 | 81 | 2.365,37 | 29,20 | 2 |
| 2024 | 85 | 2.538,74 | 29,87 | 4 |
| totale | 1.613 | 46.732,57 | 28,97 | 52 |