2013

2014

2015

Sample size

899

922

938

Foreign ownership (%)

Equally-weighted mean

8.072

8.489

8.284

Standard deviation

9.670

10.035

9.570

Median

4.300

4.665

5.020

Skewness

1.818

1.785

1.776

Value-weighted mean

17.850

18.447

18.425