Rank	Countries/Territories	Count	Percent
1	China	337	29.1%
2	United States	292	25.2%
3	Japan	254	21.9%
4	Germany	54	4.7%
5	Korea, Republic of	35	3%
6	Singapore	31	2.7%
7	Netherlands	21	1.8%
8	France	15	1.3%
9	India	13	1.1%
10	Israel	12	1%
11	Canada	10	0.9%
12	Taiwan	9	0.8%
13	United Kingdom	8	0.7%
14	Austria	7	0.6%
15	Russia	6	0.5%
16	Ireland	5	0.4%
17	Malaysia	5	0.4%
18	Belgium	5	0.4%
19	Australia	5	0.4%
20	Hong Kong	5	0.4%
21	Switzerland	4	0.3%
22	Romania	3	0.3%
23	Iran, Islamic Republic of	3	0.3%
24	Brazil	2	0.2%
25	Chile	2	0.2%
26	Cyprus	2	0.2%
27	Poland	2	0.2%
28	Kenya	2	0.2%
29	Spain	2	0.2%
30	Viet Nam	2	0.2%
31	Thailand	1	0.1%
32	Ukraine	1	0.1%
33	Mexico	1	0.1%
34	Denmark	1	0.1%
35	Egypt	1	0.1%
36	Ethiopia	1	0.1%
37	Italy	1	0.1%