Rank	Countries/Territories	Count	Percent
1	China	583	39.6%
2	United States	476	32.3%
3	Germany	139	9.4%
4	Netherlands	64	4.3%
5	France	56	3.8%
6	Japan	24	1.6%
7	South Africa	19	1.3%
8	Canada	18	1.2%
9	Bulgaria	13	0.9%
10	Ireland	10	0.7%
11	India	10	0.7%
12	Korea, Republic of	8	0.5%
13	Iran, Islamic Republic of	6	0.4%
14	Turkey	4	0.3%
15	United Kingdom	4	0.3%
16	Thailand	3	0.2%
17	Romania	3	0.2%
18	Hong Kong	3	0.2%
19	Australia	3	0.2%
20	Bangladesh	3	0.2%
21	Cyprus	3	0.2%
22	Kenya	2	0.1%
23	New Zealand	2	0.1%
24	Philippines	2	0.1%
25	Mongolia	2	0.1%
26	Ukraine	2	0.1%
27	Viet Nam	2	0.1%
28	Spain	1	0.1%
29	Switzerland	1	0.1%
30	Portugal	1	0.1%
31	Russia	1	0.1%
32	Singapore	1	0.1%
33	Malaysia	1	0.1%
34	Mexico	1	0.1%
35	Indonesia	1	0.1%
36	Belgium	1	0.1%
37	Argentina	1	0.1%