Rank	Countries/Territories	Count	Percent
1	United States	468	45.4%
2	China	333	32.3%
3	Japan	58	5.6%
4	Germany	50	4.8%
5	Singapore	17	1.6%
6	Netherlands	15	1.5%
7		12	1.2%
8	Switzerland	7	0.7%
9	France	7	0.7%
10	Cyprus	6	0.6%
11	Ireland	6	0.6%
12	India	5	0.5%
13	Canada	5	0.5%
14	Australia	4	0.4%
15	Greece	4	0.4%
16	Taiwan	4	0.4%
17	Viet Nam	3	0.3%
18	United Arab Emirates	3	0.3%
19	United Kingdom	2	0.2%
20	Ukraine	2	0.2%
21	Spain	2	0.2%
22	Korea, Republic of	2	0.2%
23	Mexico	2	0.2%
24	Iran, Islamic Republic of	2	0.2%
25	Bulgaria	2	0.2%
26	Denmark	2	0.2%
27	Colombia	2	0.2%
28	Ethiopia	1	0.1%
29	Brazil	1	0.1%
30	Hong Kong	1	0.1%
31	Italy	1	0.1%
32	Kenya	1	0.1%
33	Russia	1	0.1%