One in every three babies born to multicultural families had a Vietnamese mother in 2011, according to Statistics Korea. Out of 22,000 mixed-race newborns, the largest proportion or 35.8 percent (7,880) were born to Vietnamese mothers last year.
Chinese mothers came second at 26.4 percent, followed by Filipina (8.1 percent), Cambodian (5.3 percent), Japanese (3.7 percent) and Mongolian (1.3 percent.)
http://english.chosun.com/site/data/html_dir/2012/12/18/2012121801369.html
Rarely did the yobo thing work out.