Rank	Countries/Territories	Count	Percent
1	United States	534	33.5%
2	China	494	31%
3	Japan	229	14.4%
4	Germany	108	6.8%
5	Singapore	43	2.7%
6	France	30	1.9%
7	United Kingdom	21	1.3%
8	Canada	18	1.1%
9	Russia	14	0.9%
10	Netherlands	14	0.9%
11	Switzerland	13	0.8%
12	Korea, Republic of	9	0.6%
13	Argentina	7	0.4%
14	Cyprus	6	0.4%
15	Ireland	5	0.3%
16	Iran, Islamic Republic of	5	0.3%
17	Australia	4	0.3%
18	Hong Kong	4	0.3%
19	New Zealand	3	0.2%
20	Romania	3	0.2%
21	Spain	3	0.2%
22	Taiwan	3	0.2%
23	Thailand	2	0.1%
24	Ukraine	2	0.1%
25	Saudi Arabia	2	0.1%
26	Bulgaria	2	0.1%
27	Colombia	2	0.1%
28	Croatia	2	0.1%
29	Egypt	1	0.1%
30	Brazil	1	0.1%
31	India	1	0.1%
32	Georgia	1	0.1%
33	Lithuania	1	0.1%
34	Malaysia	1	0.1%
35	Moldova, Republic of	1	0.1%
36	Iraq	1	0.1%
37	Uzbekistan	1	0.1%
38	Viet Nam	1	0.1%