What's the best punctuation mark?

Answer	Number
,	80 (3.5%)
.	174 (7.7%)
!	722 (31.8%)
?	337 (14.9%)
;	298 (13.1%)
:	46 (2%)
'	26 (1.1%)
"	44 (1.9%)
()	100 (4.4%)
*	441 (19.4%)

A total of 2268 people answered this question.