Rank	Countries/Territories	Count	Percent
1	United States	362	34.8%
2	China	241	23.2%
3	Japan	219	21%
4	Germany	75	7.2%
5	Singapore	41	3.9%
6	France	14	1.3%
7	Switzerland	13	1.2%
8	United Kingdom	12	1.2%
9	Netherlands	9	0.9%
10	Russia	9	0.9%
11	Korea, Republic of	6	0.6%
12	Argentina	4	0.4%
13	Cyprus	3	0.3%
14	Hong Kong	3	0.3%
15	Ireland	3	0.3%
16	New Zealand	3	0.3%
17	Taiwan	3	0.3%
18	Spain	3	0.3%
19	Thailand	2	0.2%
20	Iran, Islamic Republic of	2	0.2%
21	Australia	2	0.2%
22	Bulgaria	2	0.2%
23	Canada	1	0.1%
24	Brazil	1	0.1%
25	Egypt	1	0.1%
26	Colombia	1	0.1%
27	Iraq	1	0.1%
28	Malaysia	1	0.1%
29	India	1	0.1%
30	Georgia	1	0.1%
31	Uzbekistan	1	0.1%
32	Viet Nam	1	0.1%