Rank	Countries/Territories	Count	Percent
1	China	621	37.7%
2	United States	508	30.8%
3	Germany	100	6.1%
4	Australia	68	4.1%
5	Netherlands	64	3.9%
6	Korea, Republic of	31	1.9%
7	Japan	30	1.8%
8	Russia	27	1.6%
9	Taiwan	26	1.6%
10	France	26	1.6%
11	India	17	1%
12	Iran, Islamic Republic of	17	1%
13	Singapore	14	0.9%
14	Switzerland	12	0.7%
15	Canada	11	0.7%
16	Cyprus	9	0.5%
17	Hong Kong	8	0.5%
18	Lithuania	7	0.4%
19	United Kingdom	7	0.4%
20	Bangladesh	6	0.4%
21	Egypt	5	0.3%
22	Spain	5	0.3%
23	Argentina	4	0.2%
24	Denmark	3	0.2%
25	Saudi Arabia	3	0.2%
26	Viet Nam	2	0.1%
27	Thailand	2	0.1%
28	Colombia	2	0.1%
29	Brazil	2	0.1%
30	Ireland	2	0.1%
31	Malaysia	1	0.1%
32	Sweden	1	0.1%
33	Norway	1	0.1%
34	Pakistan	1	0.1%
35	Palestine, State of	1	0.1%
36	Poland	1	0.1%
37	Portugal	1	0.1%
38	Romania	1	0.1%