Rank	Countries/Territories	Count	Percent
1	United States	518	40.2%
2	China	370	28.7%
3	Germany	64	5%
4	Greece	55	4.3%
5	Korea, Republic of	48	3.7%
6	Singapore	41	3.2%
7	France	24	1.9%
8	Hong Kong	17	1.3%
9	United Kingdom	17	1.3%
10	Australia	16	1.2%
11	Netherlands	15	1.2%
12	Canada	14	1.1%
13	Japan	11	0.9%
14	India	10	0.8%
15	Russia	7	0.5%
16	Italy	6	0.5%
17	Belgium	5	0.4%
18	Saudi Arabia	5	0.4%
19	Poland	5	0.4%
20	Pakistan	4	0.3%
21	Ukraine	3	0.2%
22	Latvia	3	0.2%
23	Brazil	3	0.2%
24	Argentina	3	0.2%
25	Cyprus	3	0.2%
26	Denmark	3	0.2%
27	Finland	3	0.2%
28	Iran, Islamic Republic of	3	0.2%
29	Malaysia	2	0.2%
30	Mongolia	2	0.2%
31	Taiwan	2	0.2%
32	Turkey	1	0.1%
33	South Africa	1	0.1%
34	Switzerland	1	0.1%
35	Romania	1	0.1%
36	Norway	1	0.1%
37	Egypt	1	0.1%