Rank	Countries/Territories	Count	Percent
1	United States	264	35.8%
2	China	244	33.1%
3	Germany	58	7.9%
4	Japan	38	5.2%
5	Singapore	16	2.2%
6	Netherlands	16	2.2%
7	France	13	1.8%
8	Australia	12	1.6%
9	Canada	8	1.1%
10	United Kingdom	8	1.1%
11	Korea, Republic of	6	0.8%
12	Spain	5	0.7%
13	Sweden	5	0.7%
14	Venezuela, Bolivarian Republic of	5	0.7%
15	Iceland	4	0.5%
16	Belgium	4	0.5%
17	Cyprus	3	0.4%
18	Denmark	3	0.4%
19	Turkey	3	0.4%
20	Russia	2	0.3%
21	Taiwan	2	0.3%
22	Latvia	2	0.3%
23	Egypt	2	0.3%
24	Brazil	2	0.3%
25	Ireland	2	0.3%
26	Hong Kong	2	0.3%
27	Italy	1	0.1%
28	Iran, Islamic Republic of	1	0.1%
29	Bangladesh	1	0.1%
30	Lithuania	1	0.1%
31	Mongolia	1	0.1%
32	Switzerland	1	0.1%
33	Portugal	1	0.1%
34	Romania	1	0.1%