Rank	Countries/Territories	Count	Percent
1	United States	415	36.8%
2	China	349	30.9%
3	Germany	111	9.8%
4	Japan	43	3.8%
5	Taiwan	26	2.3%
6	Portugal	21	1.9%
7	India	19	1.7%
8	Korea, Republic of	11	1%
9	Netherlands	10	0.9%
10	Australia	10	0.9%
11	Canada	9	0.8%
12	France	9	0.8%
13	United Kingdom	9	0.8%
14	Turkey	8	0.7%
15	Singapore	7	0.6%
16	Belgium	7	0.6%
17	Spain	6	0.5%
18	Switzerland	5	0.4%
19	Ukraine	5	0.4%
20	Brazil	5	0.4%
21	Iran, Islamic Republic of	5	0.4%
22	Indonesia	4	0.4%
23	Hong Kong	4	0.4%
24	Mexico	4	0.4%
25	New Zealand	3	0.3%
26	Russia	3	0.3%
27	Qatar	3	0.3%
28	Denmark	3	0.3%
29	Chile	2	0.2%
30	Romania	2	0.2%
31	Poland	2	0.2%
32	Viet Nam	2	0.2%
33	Norway	1	0.1%
34	Mongolia	1	0.1%
35	Cyprus	1	0.1%
36	Austria	1	0.1%
37	Egypt	1	0.1%
38	Italy	1	0.1%