Rank	Countries/Territories	Count	Percent
1	United States	622	44.5%
2	China	424	30.4%
3	Germany	110	7.9%
4	Japan	53	3.8%
5	France	32	2.3%
6	Singapore	31	2.2%
7	Netherlands	15	1.1%
8	Ukraine	14	1%
9	Bulgaria	13	0.9%
10	Canada	13	0.9%
11	South Africa	8	0.6%
12	Australia	7	0.5%
13	Cyprus	7	0.5%
14	Korea, Republic of	5	0.4%
15	Sweden	5	0.4%
16	Russia	5	0.4%
17	United Kingdom	4	0.3%
18	Turkey	4	0.3%
19	Bangladesh	4	0.3%
20	Ireland	3	0.2%
21	Viet Nam	2	0.1%
22	Portugal	2	0.1%
23	Romania	2	0.1%
24	Greece	2	0.1%
25	Latvia	2	0.1%
26	Iran, Islamic Republic of	2	0.1%
27	Lithuania	1	0.1%
28	Hong Kong	1	0.1%
29	India	1	0.1%
30	Nigeria	1	0.1%
31	Switzerland	1	0.1%
32	Thailand	1	0.1%