Rank	Countries/Territories	Count	Percent
1	United States	437	44.5%
2	China	167	17%
3	Germany	115	11.7%
4		40	4.1%
5	Japan	38	3.9%
6	Canada	28	2.9%
7	Netherlands	23	2.3%
8	France	20	2%
9	Australia	19	1.9%
10	Singapore	13	1.3%
11	India	12	1.2%
12	Bulgaria	9	0.9%
13	Cyprus	7	0.7%
14	Russia	6	0.6%
15	Latvia	6	0.6%
16	Argentina	5	0.5%
17	Ukraine	4	0.4%
18	South Africa	3	0.3%
19	Taiwan	2	0.2%
20	Qatar	2	0.2%
21	Romania	2	0.2%
22	Norway	2	0.2%
23	Oman	2	0.2%
24	Brazil	2	0.2%
25	Egypt	2	0.2%
26	Indonesia	2	0.2%
27	Hong Kong	2	0.2%
28	Hungary	2	0.2%
29	Italy	1	0.1%
30	Greece	1	0.1%
31	Colombia	1	0.1%
32	Poland	1	0.1%
33	Portugal	1	0.1%
34	Malaysia	1	0.1%
35	Mongolia	1	0.1%
36	Thailand	1	0.1%
37	Turkey	1	0.1%
38	Slovenia	1	0.1%