Rank	Countries/Territories	Count	Percent
1	China	322	32.4%
2	United States	316	31.8%
3	Germany	154	15.5%
4	Netherlands	40	4%
5	India	33	3.3%
6	Singapore	14	1.4%
7	Japan	10	1%
8	Korea, Republic of	9	0.9%
9	France	9	0.9%
10	Russia	9	0.9%
11	Cyprus	5	0.5%
12	Egypt	5	0.5%
13	Taiwan	5	0.5%
14	Thailand	5	0.5%
15	Tanzania, United Republic of	4	0.4%
16	Malaysia	4	0.4%
17	Ireland	3	0.3%
18	Saudi Arabia	3	0.3%
19	Switzerland	3	0.3%
20	Argentina	3	0.3%
21	Australia	3	0.3%
22	Canada	3	0.3%
23	Ghana	3	0.3%
24	Viet Nam	3	0.3%
25	Turkey	2	0.2%
26	Ukraine	2	0.2%
27	Hong Kong	2	0.2%
28	Hungary	2	0.2%
29	Philippines	2	0.2%
30	Mongolia	2	0.2%
31	Israel	2	0.2%
32	Iraq	2	0.2%
33	Mexico	1	0.1%
34	Nepal	1	0.1%
35	Portugal	1	0.1%
36	Algeria	1	0.1%
37	Iran, Islamic Republic of	1	0.1%
38	Austria	1	0.1%
39	Bangladesh	1	0.1%
40	Brazil	1	0.1%
41	Ethiopia	1	0.1%
42	United Arab Emirates	1	0.1%