Rank	Countries/Territories	Count	Percent
1	United States	718	49.8%
2	China	337	23.4%
3	Germany	88	6.1%
4	Japan	43	3%
5	Korea, Republic of	25	1.7%
6	Netherlands	19	1.3%
7	India	18	1.2%
8	South Africa	16	1.1%
9	Russia	15	1%
10	Latvia	14	1%
11	Canada	13	0.9%
12	Malaysia	10	0.7%
13	Senegal	9	0.6%
14	Australia	9	0.6%
15	United Kingdom	8	0.6%
16	Hong Kong	7	0.5%
17	Singapore	7	0.5%
18	Italy	7	0.5%
19	Denmark	6	0.4%
20	Indonesia	6	0.4%
21	Egypt	5	0.3%
22	France	5	0.3%
23	Brazil	5	0.3%
24	Cyprus	5	0.3%
25	Taiwan	5	0.3%
26	Turkey	5	0.3%
27	Puerto Rico	4	0.3%
28	Norway	3	0.2%
29	Iceland	3	0.2%
30	Iran, Islamic Republic of	3	0.2%
31	Ireland	3	0.2%
32	Israel	2	0.1%
33	Czech Republic	2	0.1%
34	Poland	2	0.1%
35	Portugal	2	0.1%
36	Thailand	2	0.1%
37	Ukraine	2	0.1%
38	Viet Nam	2	0.1%
39	Tunisia	1	0.1%
40	Sweden	1	0.1%
41	Mongolia	1	0.1%
42	Croatia	1	0.1%
43	Argentina	1	0.1%
44	Austria	1	0.1%