Rank	Countries/Territories	Count	Percent
1	United States	304	33.9%
2	China	298	33.2%
3	Germany	39	4.3%
4	Singapore	36	4%
5	Japan	21	2.3%
6	Russia	19	2.1%
7	Turkey	17	1.9%
8	United Kingdom	17	1.9%
9	Netherlands	16	1.8%
10	Italy	14	1.6%
11	Sweden	11	1.2%
12	Portugal	11	1.2%
13	France	10	1.1%
14	Cyprus	8	0.9%
15	Norway	8	0.9%
16	Greece	7	0.8%
17	India	7	0.8%
18	Iran, Islamic Republic of	6	0.7%
19	Ireland	6	0.7%
20	Hungary	5	0.6%
21	Canada	4	0.4%
22	Australia	4	0.4%
23	Egypt	3	0.3%
24	Hong Kong	3	0.3%
25	Pakistan	3	0.3%
26	Spain	3	0.3%
27	Slovenia	2	0.2%
28	Poland	2	0.2%
29	Libya	2	0.2%
30	Korea, Republic of	2	0.2%
31	United Arab Emirates	2	0.2%
32	Latvia	1	0.1%
33	Indonesia	1	0.1%
34	Brazil	1	0.1%
35	Mongolia	1	0.1%
36	Saudi Arabia	1	0.1%
37	Switzerland	1	0.1%
38	Ukraine	1	0.1%