Rank	Countries/Territories	Count	Percent
1	China	273	35.5%
2	United States	227	29.6%
3	Germany	118	15.4%
4	Singapore	22	2.9%
5	Egypt	17	2.2%
6	Netherlands	14	1.8%
7	Japan	11	1.4%
8	France	11	1.4%
9	Spain	10	1.3%
10	Switzerland	10	1.3%
11	United Kingdom	9	1.2%
12	Taiwan	7	0.9%
13	Australia	6	0.8%
14	Cyprus	4	0.5%
15	Iran, Islamic Republic of	4	0.5%
16	Argentina	3	0.4%
17	Denmark	3	0.4%
18	Italy	3	0.4%
19	Romania	2	0.3%
20	Czech Republic	2	0.3%
21	Ireland	2	0.3%
22	Hong Kong	2	0.3%
23	Korea, Republic of	2	0.3%
24	Lebanon	1	0.1%
25	Poland	1	0.1%
26	Canada	1	0.1%
27	Russia	1	0.1%
28	South Africa	1	0.1%
29	Viet Nam	1	0.1%