Rank	Countries/Territories	Count	Percent
1	United States	344	27.3%
2	China	319	25.4%
3	Japan	124	9.9%
4	Germany	75	6%
5	Australia	67	5.3%
6	Ghana	54	4.3%
7	Netherlands	40	3.2%
8	United Kingdom	35	2.8%
9	Singapore	23	1.8%
10	Iran, Islamic Republic of	17	1.4%
11	India	15	1.2%
12	Hong Kong	15	1.2%
13	Canada	13	1%
14		10	0.8%
15	Colombia	8	0.6%
16	Turkey	8	0.6%
17	France	7	0.6%
18	Malaysia	7	0.6%
19	Cyprus	6	0.5%
20	Russia	5	0.4%
21	Saudi Arabia	5	0.4%
22	Kenya	5	0.4%
23	Korea, Republic of	5	0.4%
24	Jordan	4	0.3%
25	Portugal	4	0.3%
26	Denmark	4	0.3%
27	Switzerland	4	0.3%
28	Ukraine	3	0.2%
29	Viet Nam	3	0.2%
30	Italy	3	0.2%
31	Philippines	3	0.2%
32	Poland	2	0.2%
33	Latvia	2	0.2%
34	Belgium	2	0.2%
35	Brazil	2	0.2%
36	Spain	2	0.2%
37	Sweden	1	0.1%
38	South Africa	1	0.1%
39	Taiwan	1	0.1%
40	Uganda	1	0.1%
41	Ethiopia	1	0.1%
42	Finland	1	0.1%
43	Ireland	1	0.1%
44	Israel	1	0.1%
45	Hungary	1	0.1%
46	New Zealand	1	0.1%
47	Norway	1	0.1%
48	Pakistan	1	0.1%
49	Romania	1	0.1%