Rank	Countries/Territories	Count	Percent
1	United States	480	40.3%
2	China	396	33.3%
3	Germany	81	6.8%
4	Canada	38	3.2%
5	Japan	25	2.1%
6	France	23	1.9%
7	Netherlands	20	1.7%
8	Greece	16	1.3%
9	India	12	1%
10	Denmark	12	1%
11	United Kingdom	9	0.8%
12	Cyprus	9	0.8%
13	Australia	7	0.6%
14	Korea, Republic of	7	0.6%
15	Turkey	7	0.6%
16	Singapore	7	0.6%
17	Hungary	5	0.4%
18	Colombia	5	0.4%
19	Ireland	4	0.3%
20	Switzerland	4	0.3%
21	Malaysia	4	0.3%
22	Spain	3	0.3%
23	Qatar	2	0.2%
24	Israel	2	0.2%
25	Latvia	2	0.2%
26	Austria	2	0.2%
27	Brazil	2	0.2%
28	Georgia	1	0.1%
29	Lithuania	1	0.1%
30	Romania	1	0.1%
31	Mongolia	1	0.1%
32	Ukraine	1	0.1%
33	Viet Nam	1	0.1%