Rank	Countries/Territories	Count	Percent
1	China	425	47%
2	United States	249	27.5%
3	Germany	45	5%
4	Japan	14	1.5%
5	Singapore	14	1.5%
6	Netherlands	12	1.3%
7	Korea, Republic of	11	1.2%
8	Canada	11	1.2%
9	France	10	1.1%
10	Switzerland	10	1.1%
11	Russia	9	1%
12	India	9	1%
13	United Kingdom	8	0.9%
14	Iran, Islamic Republic of	7	0.8%
15	Brazil	7	0.8%
16	Australia	7	0.8%
17	Turkey	7	0.8%
18	Spain	6	0.7%
19	Indonesia	6	0.7%
20	Italy	5	0.6%
21	Poland	5	0.6%
22	Mexico	4	0.4%
23	Taiwan	4	0.4%
24	Belgium	3	0.3%
25	Chile	3	0.3%
26	Cuba	2	0.2%
27	Cyprus	2	0.2%
28	Ukraine	2	0.2%
29	Viet Nam	1	0.1%
30	New Zealand	1	0.1%
31	Palestine, State of	1	0.1%
32	Slovakia	1	0.1%
33	Egypt	1	0.1%
34	Costa Rica	1	0.1%
35	Ireland	1	0.1%
36	Hong Kong	1	0.1%