Rank	Countries/Territories	Count	Percent
1	China	422	49.4%
2	United States	217	25.4%
3	Germany	39	4.6%
4	Japan	14	1.6%
5	Singapore	12	1.4%
6	Netherlands	11	1.3%
7	Korea, Republic of	10	1.2%
8	Switzerland	10	1.2%
9	France	10	1.2%
10	India	9	1.1%
11	Canada	9	1.1%
12	Russia	9	1.1%
13	United Kingdom	8	0.9%
14	Turkey	7	0.8%
15	Australia	7	0.8%
16	Brazil	7	0.8%
17	Indonesia	6	0.7%
18	Spain	6	0.7%
19	Italy	5	0.6%
20	Poland	5	0.6%
21	Iran, Islamic Republic of	5	0.6%
22	Mexico	4	0.5%
23	Taiwan	4	0.5%
24	Belgium	3	0.4%
25	Chile	3	0.4%
26	Cuba	2	0.2%
27	Ukraine	2	0.2%
28	Viet Nam	1	0.1%
29	New Zealand	1	0.1%
30	Palestine, State of	1	0.1%
31	Slovakia	1	0.1%
32	Cyprus	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%