Rank	Countries/Territories	Count	Percent
1	United States	306	35.1%
2	China	273	31.3%
3	Germany	107	12.3%
4	Japan	21	2.4%
5	Netherlands	21	2.4%
6	France	20	2.3%
7	Canada	16	1.8%
8	Singapore	15	1.7%
9	South Africa	13	1.5%
10	India	13	1.5%
11	Switzerland	8	0.9%
12	Viet Nam	7	0.8%
13	Korea, Republic of	7	0.8%
14	Cyprus	7	0.8%
15	Australia	5	0.6%
16	Brazil	4	0.5%
17	Argentina	4	0.5%
18	Hong Kong	4	0.5%
19	Italy	3	0.3%
20	Malaysia	3	0.3%
21	Greece	3	0.3%
22	Nepal	2	0.2%
23	Ukraine	2	0.2%
24	United Kingdom	2	0.2%
25	Russia	2	0.2%
26	Romania	1	0.1%
27	Iran, Islamic Republic of	1	0.1%
28	Ireland	1	0.1%
29	Colombia	1	0.1%