Rank	Countries/Territories	Count	Percent
1	United States	343	35%
2	China	316	32.2%
3	Japan	89	9.1%
4	Germany	65	6.6%
5	Russia	36	3.7%
6	Singapore	17	1.7%
7	Netherlands	13	1.3%
8	Korea, Republic of	13	1.3%
9	Australia	13	1.3%
10	United Kingdom	11	1.1%
11	France	8	0.8%
12	South Africa	7	0.7%
13	Taiwan	6	0.6%
14	Hong Kong	6	0.6%
15	Cyprus	5	0.5%
16	Ireland	5	0.5%
17	Thailand	3	0.3%
18	Yemen	3	0.3%
19	Canada	3	0.3%
20	Indonesia	2	0.2%
21	Iran, Islamic Republic of	2	0.2%
22	Turkey	2	0.2%
23	Ukraine	2	0.2%
24	Nigeria	2	0.2%
25	Romania	1	0.1%
26	India	1	0.1%
27	Libya	1	0.1%
28	Mexico	1	0.1%
29	Argentina	1	0.1%
30	Belgium	1	0.1%
31	Egypt	1	0.1%
32	Croatia	1	0.1%