When asked whether they had ever kissed, 18.2 %, 26.8 %, and 36.0 % of boys answered in the affirmative, while 9.7 %, 27.0 %, and 37.5 % of girls answered likewise.
有過與異性接吻經驗的男生是百分之十八．二、百分之二十六．八、百分之三十六，女生為百分之九．七、百分之二十七、百分之三十七．五。