Rank	Countries/Territories	Count	Percent
1	United States	208	39.4%
2	China	146	27.7%
3	Germany	27	5.1%
4	Japan	15	2.8%
5	Singapore	13	2.5%
6	Turkey	12	2.3%
7	Russia	11	2.1%
8	Portugal	10	1.9%
9	Italy	10	1.9%
10	Netherlands	10	1.9%
11	France	7	1.3%
12	India	7	1.3%
13	Iran, Islamic Republic of	6	1.1%
14	Ireland	6	1.1%
15	Cyprus	6	1.1%
16	Australia	4	0.8%
17	United Kingdom	4	0.8%
18	Norway	3	0.6%
19	Pakistan	3	0.6%
20	Poland	2	0.4%
21	Greece	2	0.4%
22	Hong Kong	2	0.4%
23	United Arab Emirates	2	0.4%
24	Libya	2	0.4%
25	Sweden	2	0.4%
26	Switzerland	1	0.2%
27	Spain	1	0.2%
28	Mongolia	1	0.2%
29	Saudi Arabia	1	0.2%
30	Ukraine	1	0.2%
31	Canada	1	0.2%
32	Egypt	1	0.2%
33	Latvia	1	0.2%