Rank	Countries/Territories	Count	Percent
1	United States	414	33.5%
2	China	397	32.1%
3	Germany	114	9.2%
4	Portugal	57	4.6%
5	Japan	33	2.7%
6	France	31	2.5%
7	Netherlands	28	2.3%
8	Canada	28	2.3%
9	Argentina	21	1.7%
10	Australia	15	1.2%
11	Cyprus	11	0.9%
12	Russia	11	0.9%
13	Singapore	11	0.9%
14	Ukraine	8	0.6%
15	India	8	0.6%
16	Ghana	7	0.6%
17	Ireland	7	0.6%
18	Italy	5	0.4%
19	Hong Kong	5	0.4%
20	Korea, Republic of	4	0.3%
21	Malaysia	2	0.2%
22	Mexico	2	0.2%
23	Mongolia	2	0.2%
24	Iran, Islamic Republic of	2	0.2%
25	New Zealand	2	0.2%
26	United Kingdom	2	0.2%
27	Switzerland	2	0.2%
28	Taiwan	1	0.1%
29	Turkey	1	0.1%
30	Venezuela, Bolivarian Republic of	1	0.1%
31	South Africa	1	0.1%
32	Senegal	1	0.1%
33	Hungary	1	0.1%
34	Belgium	1	0.1%
35	Colombia	1	0.1%