| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 224 | 4.717,82 | 21,06 | 3 |
| 2007 | 173 | 4.292,37 | 24,81 | 1 |
| 2008 | 126 | 3.013,59 | 23,92 | 1 |
| 2009 | 154 | 3.538,41 | 22,98 | 2 |
| 2010 | 138 | 3.029,35 | 21,95 | 3 |
| 2011 | 116 | 2.977,70 | 25,67 | 1 |
| 2012 | 89 | 2.212,26 | 24,86 | 2 |
| 2013 | 100 | 2.103,64 | 21,04 | 2 |
| 2014 | 103 | 3.925,59 | 38,11 | 2 |
| 2015 | 88 | 2.379,19 | 27,04 | 2 |
| 2016 | 87 | 2.311,67 | 26,57 | 2 |
| 2017 | 73 | 2.215,94 | 30,36 | 2 |
| 2018 | 82 | 2.150,74 | 26,23 | 3 |
| 2019 | 81 | 1.933,90 | 23,88 | 3 |
| 2020 | 76 | 1.948,71 | 25,64 | 3 |
| 2021 | 68 | 2.074,52 | 30,51 | 3 |
| 2022 | 69 | 2.147,91 | 31,13 | 3 |
| 2023 | 69 | 2.182,92 | 31,64 | 3 |
| 2024 | 63 | 1.867,48 | 29,64 | 3 |
| totale | 1.979 | 51.023,71 | 25,78 | 44 |