Rank	Countries/Territories	Count	Percent
1	United States	636	39.4%
2	China	421	26.1%
3	Japan	195	12.1%
4	Germany	83	5.1%
5		63	3.9%
6	Canada	45	2.8%
7	France	35	2.2%
8	Singapore	34	2.1%
9	Netherlands	21	1.3%
10	United Kingdom	11	0.7%
11	Australia	9	0.6%
12	Switzerland	8	0.5%
13	Ukraine	6	0.4%
14	Belgium	6	0.4%
15	Korea, Republic of	6	0.4%
16	Cyprus	5	0.3%
17	Hong Kong	4	0.2%
18	India	4	0.2%
19	Iran, Islamic Republic of	4	0.2%
20	Russia	4	0.2%
21	Viet Nam	3	0.2%
22	Ireland	3	0.2%
23	Lithuania	2	0.1%
24	Jordan	2	0.1%
25	Argentina	2	0.1%
26	South Africa	2	0.1%
27	Italy	1	0.1%