| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 440 | 8.459,33 | 19,23 | 2 |
| 2007 | 242 | 5.279,15 | 21,81 | 1 |
| 2008 | 145 | 3.045,54 | 21,00 | 1 |
| 2009 | 187 | 4.535,09 | 24,25 | 2 |
| 2010 | 227 | 6.527,87 | 28,76 | 4 |
| 2011 | 154 | 3.076,60 | 19,98 | 2 |
| 2012 | 281 | 7.598,24 | 27,04 | 4 |
| 2013 | 121 | 2.108,10 | 17,42 | 5 |
| 2014 | 86 | 1.686,68 | 19,61 | 3 |
| 2015 | 73 | 1.546,70 | 21,19 | 4 |
| 2016 | 148 | 3.373,84 | 22,80 | 6 |
| 2017 | 137 | 2.986,89 | 21,80 | 6 |
| 2018 | 92 | 1.795,12 | 19,51 | 6 |
| 2019 | 67 | 1.681,96 | 25,10 | 5 |
| 2020 | 67 | 1.315,49 | 19,63 | 6 |
| 2021 | 168 | 3.906,57 | 23,25 | 7 |
| 2022 | 142 | 3.269,86 | 23,03 | 7 |
| 2023 | 144 | 3.083,11 | 21,41 | 8 |
| 2024 | 203 | 4.388,33 | 21,62 | 9 |
| totale | 3.124 | 69.664,47 | 22,30 | 88 |