Rank	Countries/Territories	Count	Percent
1	United States	425	38.8%
2	China	216	19.7%
3	Germany	118	10.8%
4	Japan	109	10%
5	Korea, Republic of	33	3%
6	United Kingdom	33	3%
7	Netherlands	27	2.5%
8	Singapore	23	2.1%
9	Russia	22	2%
10	France	14	1.3%
11	Canada	10	0.9%
12	Macao	8	0.7%
13	Hong Kong	7	0.6%
14	Australia	7	0.6%
15	Poland	6	0.5%
16	Iran, Islamic Republic of	6	0.5%
17	Ireland	3	0.3%
18	Pakistan	3	0.3%
19	Portugal	3	0.3%
20	Taiwan	3	0.3%
21	Argentina	3	0.3%
22	Denmark	3	0.3%
23	Cyprus	2	0.2%
24	India	2	0.2%
25	Uzbekistan	2	0.2%
26	Viet Nam	1	0.1%
27	Switzerland	1	0.1%
28	Italy	1	0.1%
29	Guadeloupe	1	0.1%
30	Malaysia	1	0.1%
31	Mongolia	1	0.1%
32	Ecuador	1	0.1%