| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 308 | 7.564,03 | 24,56 | 3 |
| 2007 | 77 | 1.939,50 | 25,19 | 1 |
| 2008 | 106 | 2.578,24 | 24,32 | 1 |
| 2009 | 100 | 2.444,27 | 24,44 | 2 |
| 2010 | 102 | 1.961,10 | 19,23 | 2 |
| 2011 | 70 | 1.320,29 | 18,86 | 1 |
| 2012 | 94 | 1.923,00 | 20,46 | 2 |
| 2013 | 93 | 1.688,09 | 18,15 | 2 |
| 2014 | 98 | 2.517,93 | 25,69 | 2 |
| 2015 | 177 | 2.939,23 | 16,61 | 2 |
| 2016 | 92 | 2.315,28 | 25,17 | 2 |
| 2017 | 92 | 2.300,76 | 25,01 | 2 |
| 2018 | 84 | 2.389,25 | 28,44 | 2 |
| 2019 | 84 | 2.416,56 | 28,77 | 2 |
| 2020 | 83 | 2.338,55 | 28,18 | 2 |
| 2021 | 138 | 6.001,87 | 43,49 | 3 |
| 2022 | 142 | 6.318,16 | 44,49 | 3 |
| 2023 | 141 | 7.038,30 | 49,92 | 4 |
| 2024 | 146 | 5.324,88 | 36,47 | 4 |
| totale | 2.227 | 63.319,29 | 28,43 | 42 |