Rank	Countries/Territories	Count	Percent
1	United States	451	45.8%
2	China	235	23.9%
3	Germany	77	7.8%
4	Japan	34	3.5%
5	Sweden	24	2.4%
6	France	21	2.1%
7	Netherlands	19	1.9%
8	Singapore	13	1.3%
9	Australia	11	1.1%
10	Canada	10	1%
11	Brazil	8	0.8%
12	Ukraine	8	0.8%
13	United Kingdom	7	0.7%
14	Denmark	7	0.7%
15	India	7	0.7%
16	Cyprus	6	0.6%
17	Malaysia	6	0.6%
18	Spain	5	0.5%
19	Ireland	5	0.5%
20	Latvia	4	0.4%
21	Turkey	3	0.3%
22	Indonesia	3	0.3%
23	Egypt	3	0.3%
24	Chile	3	0.3%
25	Iran, Islamic Republic of	2	0.2%
26	Israel	2	0.2%
27	Hong Kong	2	0.2%
28	Korea, Republic of	2	0.2%
29	Mongolia	1	0.1%
30	South Africa	1	0.1%
31	United Arab Emirates	1	0.1%
32	Switzerland	1	0.1%
33	Taiwan	1	0.1%
34	Greece	1	0.1%
35	Czech Republic	1	0.1%