Rank	Countries/Territories	Count	Percent
1	United States	74	20.2%
2	China	73	19.9%
3	Japan	57	15.5%
4	Korea, Republic of	43	11.7%
5	Singapore	27	7.4%
6	Germany	25	6.8%
7	United Kingdom	16	4.4%
8	Australia	10	2.7%
9	Netherlands	9	2.5%
10	Bulgaria	5	1.4%
11	Israel	4	1.1%
12	France	3	0.8%
13	Cyprus	3	0.8%
14	South Africa	3	0.8%
15	Malaysia	3	0.8%
16	Switzerland	2	0.5%
17	Canada	2	0.5%
18	Indonesia	2	0.5%
19	Iraq	2	0.5%
20	Egypt	1	0.3%
21	Taiwan	1	0.3%
22	Turkey	1	0.3%
23	Mexico	1	0.3%