Rank	Countries/Territories	Count	Percent
1	United States	271	34.6%
2	China	260	33.2%
3	Germany	72	9.2%
4	Japan	57	7.3%
5	India	28	3.6%
6	Canada	20	2.6%
7	Singapore	13	1.7%
8	Australia	11	1.4%
9	Iran, Islamic Republic of	6	0.8%
10	United Kingdom	6	0.8%
11	Netherlands	6	0.8%
12	Belgium	4	0.5%
13	Cyprus	4	0.5%
14	France	3	0.4%
15	Thailand	3	0.4%
16	Switzerland	2	0.3%
17	Italy	2	0.3%
18	Indonesia	2	0.3%
19	Ethiopia	2	0.3%
20	Finland	2	0.3%
21	Argentina	2	0.3%
22	Denmark	1	0.1%
23	Ireland	1	0.1%
24	Mexico	1	0.1%
25	New Zealand	1	0.1%
26	Norway	1	0.1%
27	Romania	1	0.1%
28	Uzbekistan	1	0.1%