| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 78 | 1.272,52 | 16,31 | 2 |
| 2007 | 113 | 2.790,25 | 24,69 | 3 |
| 2008 | 55 | 1.403,59 | 25,52 | 2 |
| 2009 | 129 | 3.661,74 | 28,39 | 3 |
| 2010 | 124 | 2.966,45 | 23,92 | 3 |
| 2011 | 51 | 922,68 | 18,09 | 2 |
| 2012 | 133 | 3.339,71 | 25,11 | 3 |
| 2013 | 154 | 3.823,02 | 24,82 | 3 |
| 2014 | 145 | 4.292,48 | 29,60 | 3 |
| 2015 | 147 | 4.243,28 | 28,87 | 4 |
| 2016 | 109 | 3.417,93 | 31,36 | 3 |
| 2017 | 153 | 4.014,24 | 26,24 | 4 |
| 2018 | 173 | 4.487,20 | 25,94 | 4 |
| 2019 | 160 | 4.106,09 | 25,66 | 4 |
| 2020 | 152 | 4.066,60 | 26,75 | 4 |
| 2021 | 141 | 3.655,93 | 25,93 | 4 |
| 2022 | 117 | 3.597,11 | 30,74 | 4 |
| 2023 | 71 | 1.653,00 | 23,28 | 4 |
| 2024 | 74 | 1.640,59 | 22,17 | 5 |
| totale | 2.279 | 59.354,41 | 26,04 | 64 |