Rank	Countries/Territories	Count	Percent
1	United States	486	36.8%
2	China	437	33.1%
3	Germany	77	5.8%
4	Denmark	44	3.3%
5	Romania	24	1.8%
6	Japan	21	1.6%
7	Netherlands	20	1.5%
8	United Kingdom	20	1.5%
9	Russia	17	1.3%
10	Canada	15	1.1%
11	Australia	14	1.1%
12	Pakistan	14	1.1%
13	Singapore	12	0.9%
14	India	11	0.8%
15	Korea, Republic of	10	0.8%
16	Cyprus	9	0.7%
17	France	9	0.7%
18	Taiwan	9	0.7%
19	Egypt	8	0.6%
20	Spain	7	0.5%
21	Turkey	4	0.3%
22	Italy	4	0.3%
23	Lebanon	4	0.3%
24	Hungary	4	0.3%
25	Malaysia	3	0.2%
26	Palestine, State of	3	0.2%
27	Poland	3	0.2%
28	Hong Kong	3	0.2%
29	Greece	2	0.2%
30	Brazil	2	0.2%
31	Chile	2	0.2%
32	Colombia	2	0.2%
33	Saudi Arabia	2	0.2%
34	Serbia	2	0.2%
35	Mexico	2	0.2%
36	Iran, Islamic Republic of	2	0.2%
37	Ukraine	2	0.2%
38	Venezuela, Bolivarian Republic of	2	0.2%
39	Viet Nam	2	0.2%
40	Sweden	1	0.1%
41	South Africa	1	0.1%
42	Indonesia	1	0.1%
43	Portugal	1	0.1%
44	Algeria	1	0.1%
45	Argentina	1	0.1%
46	Dominican Republic	1	0.1%