Rank	Countries/Territories	Count	Percent
1	United States	726	36.9%
2	China	627	31.8%
3	Germany	337	17.1%
4	Japan	70	3.6%
5	France	43	2.2%
6	United Kingdom	23	1.2%
7	Singapore	19	1%
8	Netherlands	17	0.9%
9	Cyprus	12	0.6%
10	Korea, Republic of	10	0.5%
11	Russia	9	0.5%
12	Sweden	9	0.5%
13	Norway	8	0.4%
14	Spain	6	0.3%
15	Hong Kong	6	0.3%
16	Greece	5	0.3%
17	Canada	5	0.3%
18	Ukraine	5	0.3%
19	Iran, Islamic Republic of	4	0.2%
20	Australia	4	0.2%
21	India	3	0.2%
22	Ireland	2	0.1%
23	Argentina	2	0.1%
24	Brazil	2	0.1%
25	Turkey	2	0.1%
26	Latvia	2	0.1%
27	Malaysia	1	0.1%
28	Mongolia	1	0.1%
29	Poland	1	0.1%
30	Niger	1	0.1%
31	Switzerland	1	0.1%
32	Bangladesh	1	0.1%
33	Belgium	1	0.1%
34	Czech Republic	1	0.1%
35	Denmark	1	0.1%
36	Egypt	1	0.1%
37	Italy	1	0.1%
38	Georgia	1	0.1%