Rank	Countries/Territories	Count	Percent
1	China	601	59.4%
2	United States	145	14.3%
3	Japan	63	6.2%
4	Germany	39	3.9%
5	Iran, Islamic Republic of	15	1.5%
6	Singapore	14	1.4%
7	India	12	1.2%
8	Netherlands	11	1.1%
9	Ukraine	9	0.9%
10	Bulgaria	9	0.9%
11	Australia	8	0.8%
12	Canada	7	0.7%
13	Romania	7	0.7%
14	France	7	0.7%
15	South Africa	6	0.6%
16	Taiwan	6	0.6%
17	Korea, Republic of	6	0.6%
18	Spain	5	0.5%
19	United Kingdom	5	0.5%
20	Hong Kong	4	0.4%
21	Egypt	4	0.4%
22	Czech Republic	3	0.3%
23	Indonesia	3	0.3%
24	Turkey	3	0.3%
25	Pakistan	3	0.3%
26	Portugal	2	0.2%
27	Russia	2	0.2%
28	Italy	2	0.2%
29	Viet Nam	2	0.2%
30	Bangladesh	2	0.2%
31	Argentina	1	0.1%
32	Latvia	1	0.1%
33	Mauritius	1	0.1%
34	Mexico	1	0.1%
35	Mongolia	1	0.1%
36	Nigeria	1	0.1%
37	Saudi Arabia	1	0.1%