Rank	Countries/Territories	Count	Percent
1	United States	374	47.2%
2	China	209	26.4%
3	Japan	58	7.3%
4	Germany	43	5.4%
5	Singapore	17	2.1%
6	Netherlands	13	1.6%
7		12	1.5%
8	Switzerland	7	0.9%
9	Ireland	6	0.8%
10	India	5	0.6%
11	Cyprus	5	0.6%
12	Canada	4	0.5%
13	Greece	4	0.5%
14	Taiwan	4	0.5%
15	France	4	0.5%
16	Viet Nam	3	0.4%
17	United Arab Emirates	3	0.4%
18	United Kingdom	2	0.3%
19	Mexico	2	0.3%
20	Ukraine	2	0.3%
21	Iran, Islamic Republic of	2	0.3%
22	Bulgaria	2	0.3%
23	Australia	2	0.3%
24	Denmark	2	0.3%
25	Colombia	2	0.3%
26	Ethiopia	1	0.1%
27	Brazil	1	0.1%
28	Italy	1	0.1%
29	Kenya	1	0.1%
30	Russia	1	0.1%