Rank	Countries/Territories	Count	Percent
1	United States	728	43.6%
2	China	625	37.4%
3	Germany	117	7%
4	France	46	2.8%
5	Russia	30	1.8%
6	Singapore	15	0.9%
7	Japan	14	0.8%
8	Canada	13	0.8%
9	United Kingdom	12	0.7%
10	Australia	9	0.5%
11	Hong Kong	7	0.4%
12	Netherlands	7	0.4%
13	Korea, Republic of	6	0.4%
14	Norway	5	0.3%
15	Afghanistan	4	0.2%
16	Ukraine	4	0.2%
17	Sweden	3	0.2%
18	India	3	0.2%
19	Cyprus	3	0.2%
20	Czech Republic	2	0.1%
21	Poland	2	0.1%
22	Malaysia	2	0.1%
23	Iran, Islamic Republic of	2	0.1%
24	Argentina	2	0.1%
25	Taiwan	2	0.1%
26	Turkey	2	0.1%
27	South Africa	2	0.1%
28	Spain	1	0.1%
29	Lithuania	1	0.1%