Rank	Countries/Territories	Count	Percent
1	United States	342	37.8%
2	China	271	30%
3	Germany	82	9.1%
4	Japan	30	3.3%
5	Netherlands	27	3%
6	France	22	2.4%
7	Portugal	20	2.2%
8	Canada	16	1.8%
9	Australia	15	1.7%
10	Argentina	11	1.2%
11	Singapore	11	1.2%
12	Ukraine	7	0.8%
13	Cyprus	7	0.8%
14	Ghana	7	0.8%
15	Hong Kong	5	0.6%
16	India	5	0.6%
17	Ireland	3	0.3%
18	United Kingdom	2	0.2%
19	Switzerland	2	0.2%
20	New Zealand	2	0.2%
21	Iran, Islamic Republic of	2	0.2%
22	Korea, Republic of	2	0.2%
23	Malaysia	2	0.2%
24	Mexico	2	0.2%
25	Mongolia	2	0.2%
26	Colombia	1	0.1%
27	Belgium	1	0.1%
28	Russia	1	0.1%
29	Senegal	1	0.1%
30	Taiwan	1	0.1%
31	Turkey	1	0.1%
32	South Africa	1	0.1%