Rank	Countries/Territories	Count	Percent
1	United States	475	42.8%
2	China	381	34.3%
3	Germany	106	9.5%
4	France	28	2.5%
5	Canada	13	1.2%
6	Singapore	13	1.2%
7	Japan	12	1.1%
8	Korea, Republic of	10	0.9%
9	Netherlands	8	0.7%
10	Cyprus	7	0.6%
11	Australia	6	0.5%
12	Argentina	5	0.5%
13	India	5	0.5%
14	Malaysia	5	0.5%
15	South Africa	4	0.4%
16	Hong Kong	4	0.4%
17	Ukraine	3	0.3%
18	Sweden	2	0.2%
19	Turkey	2	0.2%
20	Norway	2	0.2%
21	Russia	2	0.2%
22	Saudi Arabia	2	0.2%
23	Greece	2	0.2%
24	Iran, Islamic Republic of	2	0.2%
25		2	0.2%
26	Burkina Faso	2	0.2%
27	Chile	1	0.1%
28	Iraq	1	0.1%
29	Italy	1	0.1%
30	Romania	1	0.1%
31	Mongolia	1	0.1%
32	Spain	1	0.1%
33	United Kingdom	1	0.1%