Rank	Countries/Territories	Count	Percent
1	United States	265	33.3%
2	China	255	32%
3	Germany	57	7.2%
4	Denmark	24	3%
5	Romania	24	3%
6	Japan	15	1.9%
7	Netherlands	15	1.9%
8	United Kingdom	14	1.8%
9	Russia	13	1.6%
10	Korea, Republic of	10	1.3%
11	Taiwan	9	1.1%
12	Singapore	8	1%
13	India	8	1%
14	Australia	7	0.9%
15	Spain	7	0.9%
16	Canada	6	0.8%
17	France	4	0.5%
18	Hungary	4	0.5%
19	Cyprus	4	0.5%
20	Turkey	4	0.5%
21	Hong Kong	3	0.4%
22	Malaysia	3	0.4%
23	Pakistan	3	0.4%
24	Palestine, State of	3	0.4%
25	Poland	3	0.4%
26	Lebanon	2	0.3%
27	Iran, Islamic Republic of	2	0.3%
28	Mexico	2	0.3%
29	Saudi Arabia	2	0.3%
30	Serbia	2	0.3%
31	Greece	2	0.3%
32	Egypt	2	0.3%
33	Brazil	2	0.3%
34	Ukraine	2	0.3%
35	Venezuela, Bolivarian Republic of	2	0.3%
36	Viet Nam	2	0.3%
37	Sweden	1	0.1%
38	Algeria	1	0.1%
39	Argentina	1	0.1%
40	Indonesia	1	0.1%
41	South Africa	1	0.1%
42	Italy	1	0.1%