Rank	Countries/Territories	Count	Percent
1	United States	536	44.1%
2	China	338	27.8%
3	Germany	102	8.4%
4	Singapore	56	4.6%
5	Korea, Republic of	20	1.6%
6	India	18	1.5%
7	Netherlands	17	1.4%
8	France	15	1.2%
9	United Kingdom	14	1.2%
10	Australia	13	1.1%
11	Ireland	13	1.1%
12	Japan	12	1%
13	Canada	11	0.9%
14	Cyprus	11	0.9%
15	Iran, Islamic Republic of	7	0.6%
16	Latvia	5	0.4%
17	Taiwan	5	0.4%
18	Italy	3	0.2%
19	Argentina	3	0.2%
20	Hong Kong	3	0.2%
21	Malaysia	2	0.2%
22	Turkey	2	0.2%
23	Spain	2	0.2%
24	Portugal	2	0.2%
25	Russia	1	0.1%
26	Jordan	1	0.1%
27	Ukraine	1	0.1%
28	Mexico	1	0.1%
29	Mongolia	1	0.1%