Rank	Countries/Territories	Count	Percent
1	United States	446	39.1%
2	China	402	35.2%
3	Germany	91	8%
4	Japan	24	2.1%
5	Canada	22	1.9%
6	Korea, Republic of	17	1.5%
7	France	15	1.3%
8	Uzbekistan	15	1.3%
9	Netherlands	15	1.3%
10	Australia	10	0.9%
11	United Kingdom	9	0.8%
12	Viet Nam	8	0.7%
13	India	8	0.7%
14	Singapore	7	0.6%
15	Turkey	6	0.5%
16	Hong Kong	6	0.5%
17	Cyprus	6	0.5%
18	Taiwan	4	0.4%
19	Romania	4	0.4%
20	Russia	4	0.4%
21	Ireland	4	0.4%
22	Moldova, Republic of	4	0.4%
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	Nigeria	1	0.1%
33	Sweden	1	0.1%