Rank	Countries/Territories	Count	Percent
1	United States	639	42.8%
2	China	450	30.1%
3	Germany	108	7.2%
4	Japan	37	2.5%
5	France	29	1.9%
6	Canada	29	1.9%
7	Singapore	21	1.4%
8	Australia	18	1.2%
9	United Kingdom	18	1.2%
10	Korea, Republic of	16	1.1%
11	India	13	0.9%
12	Netherlands	10	0.7%
13	Cyprus	9	0.6%
14	Mexico	7	0.5%
15	Italy	7	0.5%
16	Poland	7	0.5%
17	Turkey	7	0.5%
18	Ukraine	7	0.5%
19	Iran, Islamic Republic of	6	0.4%
20	Argentina	5	0.3%
21	Brazil	4	0.3%
22	Portugal	4	0.3%
23	Switzerland	4	0.3%
24	Nigeria	4	0.3%
25	Mongolia	3	0.2%
26	Sweden	3	0.2%
27	Romania	3	0.2%
28	Russia	3	0.2%
29	Taiwan	2	0.1%
30	Norway	2	0.1%
31	Mauritius	2	0.1%
32	Bulgaria	2	0.1%
33	Austria	2	0.1%
34	Denmark	2	0.1%
35	Finland	2	0.1%
36	Chile	2	0.1%
37	Ireland	2	0.1%
38	Greece	2	0.1%
39	Hong Kong	2	0.1%
40	Egypt	1	0.1%