Rank	Countries/Territories	Count	Percent
1	China	649	43.6%
2	United States	541	36.3%
3	Germany	135	9.1%
4	France	23	1.5%
5	Canada	19	1.3%
6	Netherlands	18	1.2%
7	Ukraine	12	0.8%
8	Russia	11	0.7%
9	Japan	8	0.5%
10	India	7	0.5%
11	Singapore	7	0.5%
12	Hong Kong	6	0.4%
13	Egypt	6	0.4%
14	Cyprus	6	0.4%
15	Malaysia	5	0.3%
16	Taiwan	5	0.3%
17	Iran, Islamic Republic of	4	0.3%
18	Ireland	3	0.2%
19	Australia	3	0.2%
20	Brazil	3	0.2%
21	United Kingdom	3	0.2%
22	Mexico	2	0.1%
23	Argentina	2	0.1%
24	Bangladesh	2	0.1%
25	Czech Republic	2	0.1%
26	Korea, Republic of	2	0.1%
27	Malta	1	0.1%
28	Norway	1	0.1%
29	Peru	1	0.1%
30	Spain	1	0.1%
31	Switzerland	1	0.1%