Rank	Countries/Territories	Count	Percent
1	China	270	39.6%
2	United States	270	39.6%
3	Germany	33	4.8%
4	India	17	2.5%
5	Japan	17	2.5%
6	Canada	9	1.3%
7	South Africa	7	1%
8	Russia	6	0.9%
9	Brazil	6	0.9%
10	Australia	4	0.6%
11	Korea, Republic of	4	0.6%
12	Taiwan	4	0.6%
13	Hong Kong	3	0.4%
14	Philippines	3	0.4%
15	Poland	3	0.4%
16	Ireland	3	0.4%
17	Austria	2	0.3%
18	Finland	2	0.3%
19	Portugal	2	0.3%
20	Saudi Arabia	2	0.3%
21	Switzerland	2	0.3%
22	Singapore	1	0.1%
23	Turkey	1	0.1%
24	United Kingdom	1	0.1%
25	France	1	0.1%
26	Denmark	1	0.1%
27	Egypt	1	0.1%
28	Argentina	1	0.1%
29	Israel	1	0.1%
30	Italy	1	0.1%
31	Mauritius	1	0.1%
32	Netherlands	1	0.1%
33	Palestine, State of	1	0.1%