Rank	Countries/Territories	Count	Percent
1	United States	307	34.2%
2	China	262	29.2%
3	Germany	63	7%
4	Japan	62	6.9%
5	Korea, Republic of	45	5%
6	Australia	27	3%
7	Canada	15	1.7%
8	Hong Kong	11	1.2%
9	Taiwan	10	1.1%
10	Singapore	8	0.9%
11	Switzerland	7	0.8%
12	India	7	0.8%
13	France	7	0.8%
14	South Africa	6	0.7%
15	Turkey	6	0.7%
16	Poland	6	0.7%
17	Netherlands	5	0.6%
18	United Kingdom	5	0.6%
19	Cyprus	5	0.6%
20	Brazil	4	0.4%
21	Norway	4	0.4%
22	Mexico	3	0.3%
23	Russia	3	0.3%
24	Pakistan	2	0.2%
25	Spain	2	0.2%
26	Viet Nam	2	0.2%
27	Greece	2	0.2%
28	Italy	2	0.2%
29	Malaysia	2	0.2%
30	Indonesia	2	0.2%
31	Iran, Islamic Republic of	1	0.1%
32	Egypt	1	0.1%
33	Chile	1	0.1%
34	New Zealand	1	0.1%
35	Romania	1	0.1%