Rank	Countries/Territories	Count	Percent
1	United States	673	46.9%
2	China	364	25.4%
3	Germany	145	10.1%
4	France	64	4.5%
5	Canada	31	2.2%
6	Japan	30	2.1%
7	Netherlands	23	1.6%
8	Singapore	12	0.8%
9	United Kingdom	10	0.7%
10	Australia	9	0.6%
11	Cyprus	7	0.5%
12	Switzerland	7	0.5%
13	South Africa	6	0.4%
14	Egypt	6	0.4%
15		6	0.4%
16	Argentina	5	0.3%
17	Hong Kong	5	0.3%
18	Norway	4	0.3%
19	Sweden	3	0.2%
20	Ukraine	3	0.2%
21	India	3	0.2%
22	Korea, Republic of	2	0.1%
23	Latvia	2	0.1%
24	Bangladesh	2	0.1%
25	Mexico	2	0.1%
26	Romania	2	0.1%
27	Russia	2	0.1%
28	Mongolia	1	0.1%
29	Brazil	1	0.1%
30	Denmark	1	0.1%
31	Lithuania	1	0.1%
32	Malaysia	1	0.1%
33	Iran, Islamic Republic of	1	0.1%