売上高 営業利益 営業利益率
2007$22,787$2,335
10%
2008$23,522$4,313
18%
2009$22,745$4,551
20%
2010$24,075$4,946
21%
2011$27,006$5,503
20%
2012$27,567$5,465
20%
2013$28,106$8,764
31%
2014$27,441$7,949
29%
2015$25,413$7,146
28%
2016$24,622$7,745
31%
2017$22,820$9,553
42%
2018$21,025$8,823
42%