Rank	Countries/Territories	Count	Percent
1	United States	464	34.3%
2	China	429	31.7%
3	Germany	200	14.8%
4	Japan	87	6.4%
5	France	45	3.3%
6	Singapore	16	1.2%
7	Spain	13	1%
8	Australia	11	0.8%
9	Cyprus	10	0.7%
10	Netherlands	10	0.7%
11	Norway	8	0.6%
12	Sweden	8	0.6%
13	Iran, Islamic Republic of	7	0.5%
14	Korea, Republic of	7	0.5%
15	Canada	6	0.4%
16	Latvia	4	0.3%
17	Ireland	4	0.3%
18	India	3	0.2%
19	Bangladesh	3	0.2%
20	Denmark	2	0.1%
21	Hong Kong	2	0.1%
22	Thailand	2	0.1%
23	Ukraine	2	0.1%
24	Viet Nam	2	0.1%
25	Mongolia	2	0.1%
26	Russia	1	0.1%
27	South Africa	1	0.1%
28	Czech Republic	1	0.1%
29	Italy	1	0.1%
30	Malaysia	1	0.1%