| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 16 | 262,21 | 16,39 | 1 |
| 2009 | 69 | 1.248,29 | 18,09 | 1 |
| 2010 | 105 | 1.564,61 | 14,90 | 1 |
| 2012 | 231 | 4.814,83 | 20,84 | 2 |
| 2013 | 833 | 18.117,31 | 21,75 | 3 |
| 2014 | 955 | 24.860,62 | 26,03 | 3 |
| 2015 | 812 | 22.065,38 | 27,17 | 3 |
| 2016 | 833 | 21.412,31 | 25,71 | 2 |
| 2017 | 685 | 16.951,20 | 24,75 | 3 |
| 2018 | 646 | 15.861,10 | 24,55 | 3 |
| 2019 | 533 | 13.484,19 | 25,30 | 3 |
| 2020 | 1.037 | 27.082,97 | 26,12 | 4 |
| 2021 | 1.054 | 26.560,40 | 25,20 | 4 |
| 2022 | 1.087 | 28.996,69 | 26,68 | 4 |
| 2023 | 955 | 23.230,64 | 24,33 | 4 |
| 2024 | 1.083 | 27.289,14 | 25,20 | 4 |
| totale | 10.934 | 273.801,89 | 25,04 | 45 |