Rank	Countries/Territories	Count	Percent
1	United States	480	47.3%
2	China	278	27.4%
3	Germany	80	7.9%
4		24	2.4%
5	United Kingdom	22	2.2%
6	Singapore	13	1.3%
7	Australia	10	1%
8	France	9	0.9%
9	Korea, Republic of	9	0.9%
10	Netherlands	8	0.8%
11	Cyprus	7	0.7%
12	Poland	6	0.6%
13	Canada	6	0.6%
14	Italy	6	0.6%
15	India	5	0.5%
16	Argentina	4	0.4%
17	Japan	4	0.4%
18	Hungary	3	0.3%
19	Romania	3	0.3%
20	Malaysia	3	0.3%
21	Israel	3	0.3%
22	Egypt	3	0.3%
23	Greece	3	0.3%
24	Hong Kong	2	0.2%
25	Indonesia	2	0.2%
26	Iran, Islamic Republic of	2	0.2%
27	Finland	2	0.2%
28	Croatia	2	0.2%
29	Belgium	2	0.2%
30	Saudi Arabia	2	0.2%
31	Turkey	2	0.2%
32	Ukraine	1	0.1%
33	Viet Nam	1	0.1%
34	Mongolia	1	0.1%
35	Sweden	1	0.1%
36	Taiwan	1	0.1%
37	Thailand	1	0.1%
38	Russia	1	0.1%
39	Ireland	1	0.1%
40	Gambia	1	0.1%