Rank	Countries/Territories	Count	Percent
1	United States	421	33.9%
2	China	365	29.4%
3	Germany	94	7.6%
4	Japan	59	4.8%
5	Australia	52	4.2%
6		43	3.5%
7	India	24	1.9%
8	Netherlands	20	1.6%
9	Canada	15	1.2%
10	United Kingdom	15	1.2%
11	Taiwan	8	0.6%
12	Benin	8	0.6%
13	Mexico	8	0.6%
14	Korea, Republic of	7	0.6%
15	Iran, Islamic Republic of	7	0.6%
16	Ireland	7	0.6%
17	Hong Kong	7	0.6%
18	France	6	0.5%
19	Cyprus	6	0.5%
20	Pakistan	6	0.5%
21	Russia	6	0.5%
22	Turkey	6	0.5%
23	Belgium	5	0.4%
24	Singapore	4	0.3%
25	Philippines	3	0.2%
26	Sweden	3	0.2%
27	Viet Nam	3	0.2%
28	Israel	3	0.2%
29	Denmark	3	0.2%
30	Brazil	3	0.2%
31	Bangladesh	2	0.2%
32	Egypt	2	0.2%
33	Malaysia	2	0.2%
34	Mongolia	2	0.2%
35	New Zealand	2	0.2%
36	Ukraine	2	0.2%
37	Romania	2	0.2%
38	Thailand	2	0.2%
39	Portugal	1	0.1%
40	Spain	1	0.1%
41	Macao	1	0.1%
42	Italy	1	0.1%
43	Indonesia	1	0.1%
44	Kenya	1	0.1%
45	Georgia	1	0.1%
46	Argentina	1	0.1%
47	Chile	1	0.1%