Rank	Countries/Territories	Count	Percent
1	United States	177	33.3%
2	China	156	29.3%
3	Germany	36	6.8%
4	Romania	17	3.2%
5	Russia	13	2.4%
6	Netherlands	13	2.4%
7	United Kingdom	12	2.3%
8	Japan	12	2.3%
9	Korea, Republic of	9	1.7%
10	Denmark	9	1.7%
11	Singapore	7	1.3%
12	Taiwan	6	1.1%
13	India	6	1.1%
14	Australia	5	0.9%
15	Spain	5	0.9%
16	Turkey	4	0.8%
17	Cyprus	4	0.8%
18	Hungary	4	0.8%
19	Hong Kong	3	0.6%
20	France	3	0.6%
21	Malaysia	3	0.6%
22	Mexico	2	0.4%
23	Saudi Arabia	2	0.4%
24	Serbia	2	0.4%
25	Ukraine	2	0.4%
26	Iran, Islamic Republic of	2	0.4%
27	Poland	2	0.4%
28	Egypt	2	0.4%
29	Canada	2	0.4%
30	Greece	2	0.4%
31	Lebanon	2	0.4%
32	Venezuela, Bolivarian Republic of	2	0.4%
33	Viet Nam	2	0.4%
34	Indonesia	1	0.2%
35	Algeria	1	0.2%
36	South Africa	1	0.2%
37	Pakistan	1	0.2%