Rank	Countries/Territories	Count	Percent
1	United States	467	38%
2	China	462	37.6%
3	Germany	92	7.5%
4	Japan	24	2%
5	Canada	22	1.8%
6	Korea, Republic of	17	1.4%
7	France	16	1.3%
8	Netherlands	16	1.3%
9	Uzbekistan	15	1.2%
10	Australia	10	0.8%
11	United Kingdom	9	0.7%
12	Viet Nam	8	0.7%
13	Singapore	8	0.7%
14	India	8	0.7%
15	Hong Kong	7	0.6%
16	Cyprus	6	0.5%
17	Turkey	6	0.5%
18	Ireland	5	0.4%
19	Moldova, Republic of	4	0.3%
20	Romania	4	0.3%
21	Russia	4	0.3%
22	Taiwan	4	0.3%
23	Ukraine	2	0.2%
24	Colombia	2	0.2%
25	Austria	2	0.2%
26	Latvia	2	0.2%
27	Lithuania	1	0.1%
28	Indonesia	1	0.1%
29	Iran, Islamic Republic of	1	0.1%
30	Bulgaria	1	0.1%
31	Argentina	1	0.1%
32	Sweden	1	0.1%
33	Nigeria	1	0.1%