Rank	Countries/Territories	Count	Percent
1	United States	491	46.5%
2	China	273	25.8%
3	Germany	148	14%
4	Singapore	21	2%
5	Hong Kong	19	1.8%
6	Japan	12	1.1%
7	India	9	0.9%
8	Netherlands	9	0.9%
9	United Kingdom	7	0.7%
10	Cyprus	7	0.7%
11	Australia	6	0.6%
12	Indonesia	5	0.5%
13	Canada	5	0.5%
14	France	5	0.5%
15	Korea, Republic of	4	0.4%
16		3	0.3%
17	Serbia	3	0.3%
18	Ukraine	3	0.3%
19	South Africa	2	0.2%
20	Poland	2	0.2%
21	Pakistan	2	0.2%
22	Argentina	2	0.2%
23	Azerbaijan	2	0.2%
24	Finland	2	0.2%
25	Iran, Islamic Republic of	2	0.2%
26	Italy	2	0.2%
27	Mongolia	1	0.1%
28	Bosnia and Herzegovina	1	0.1%
29	Cambodia	1	0.1%
30	Denmark	1	0.1%
31	Philippines	1	0.1%
32	Norway	1	0.1%
33	Romania	1	0.1%
34	Russia	1	0.1%
35	Sweden	1	0.1%
36	Switzerland	1	0.1%
37	Turkey	1	0.1%