Rank	Countries/Territories	Count	Percent
1	United States	474	37.8%
2	China	370	29.5%
3	Germany	154	12.3%
4	Australia	75	6%
5	Singapore	37	3%
6	Korea, Republic of	34	2.7%
7	Canada	18	1.4%
8	France	13	1%
9	India	10	0.8%
10	Netherlands	8	0.6%
11	United Kingdom	8	0.6%
12	Iran, Islamic Republic of	7	0.6%
13	Cyprus	6	0.5%
14	Ireland	5	0.4%
15	Hong Kong	5	0.4%
16	Ukraine	4	0.3%
17	Spain	3	0.2%
18	Sweden	3	0.2%
19	Malaysia	3	0.2%
20	Mongolia	3	0.2%
21	Italy	2	0.2%
22	Japan	2	0.2%
23	Bangladesh	2	0.2%
24	Romania	2	0.2%
25	Russia	2	0.2%
26	Norway	1	0.1%
27	Switzerland	1	0.1%
28	Argentina	1	0.1%
29	Colombia	1	0.1%