Rank	Countries/Territories	Count	Percent
1	United States	424	38.7%
2	China	364	33.2%
3	Germany	115	10.5%
4	Japan	58	5.3%
5	Singapore	21	1.9%
6	France	16	1.5%
7	Netherlands	13	1.2%
8	Korea, Republic of	11	1%
9	India	9	0.8%
10	Iran, Islamic Republic of	9	0.8%
11	United Kingdom	7	0.6%
12	Poland	6	0.5%
13	Cyprus	6	0.5%
14	Canada	4	0.4%
15	Taiwan	4	0.4%
16	Switzerland	3	0.3%
17	Australia	3	0.3%
18	Belgium	3	0.3%
19	Ireland	3	0.3%
20	Mongolia	3	0.3%
21	Egypt	2	0.2%
22	Argentina	2	0.2%
23	Turkey	2	0.2%
24	Ukraine	2	0.2%
25	Romania	1	0.1%
26	Russia	1	0.1%
27	Sweden	1	0.1%
28	Italy	1	0.1%
29	Malaysia	1	0.1%
30	Norway	1	0.1%