| 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 |
NASDAQ | 1.26 | 1.11 | 1.31 | 1.07 | 0.86 | 0.95 | 0.8 |
Hong Kong GEM | 0.27 | 0.38 | 0.64 | 0.45 | 0.68 | 0.56 | 0.51 |
Shenzhen GEM | 4.32 | 3.77 | 4.65 | 5.13 | 6.86 | 4.7 | 4.82 |