Rank	Countries/Territories	Count	Percent
1	United States	499	39.6%
2	China	337	26.8%
3	Germany	132	10.5%
4	Japan	117	9.3%
5	Singapore	51	4.1%
6	Netherlands	21	1.7%
7	Brazil	21	1.7%
8	Canada	12	1%
9	France	10	0.8%
10	Turkey	9	0.7%
11	United Kingdom	7	0.6%
12	Australia	7	0.6%
13	India	6	0.5%
14	Cyprus	4	0.3%
15	Ireland	3	0.2%
16	Mongolia	3	0.2%
17	Pakistan	3	0.2%
18	Switzerland	2	0.2%
19	Latvia	2	0.2%
20	Malaysia	2	0.2%
21	Iran, Islamic Republic of	2	0.2%
22	Hong Kong	1	0.1%
23	Argentina	1	0.1%
24	Korea, Republic of	1	0.1%
25	Estonia	1	0.1%
26	Georgia	1	0.1%
27	Bangladesh	1	0.1%
28	Norway	1	0.1%
29	Philippines	1	0.1%
30	Russia	1	0.1%