Rank	Countries/Territories	Count	Percent
1	United States	528	42%
2	China	389	30.9%
3	Germany	117	9.3%
4	Australia	52	4.1%
5	France	23	1.8%
6	Canada	21	1.7%
7	Japan	19	1.5%
8	Singapore	18	1.4%
9	Argentina	13	1%
10	Netherlands	12	1%
11	Iran, Islamic Republic of	8	0.6%
12	Brazil	8	0.6%
13	Hong Kong	7	0.6%
14	Taiwan	7	0.6%
15	Turkey	7	0.6%
16	Thailand	4	0.3%
17	Cyprus	4	0.3%
18	Korea, Republic of	3	0.2%
19	Poland	3	0.2%
20	United Kingdom	3	0.2%
21	South Africa	2	0.2%
22	New Zealand	2	0.2%
23	Denmark	2	0.2%
24	Norway	1	0.1%
25	Russia	1	0.1%
26	Israel	1	0.1%
27	Sweden	1	0.1%
28	Ukraine	1	0.1%
29	Viet Nam	1	0.1%