Rank	Countries/Territories	Count	Percent
1	United States	488	36.2%
2	China	481	35.7%
3	Germany	116	8.6%
4	Japan	29	2.2%
5	Korea, Republic of	25	1.9%
6	India	19	1.4%
7	Taiwan	16	1.2%
8	Canada	14	1%
9	Australia	12	0.9%
10	Netherlands	12	0.9%
11	Indonesia	10	0.7%
12	Paraguay	8	0.6%
13	Ukraine	8	0.6%
14	Portugal	7	0.5%
15	Hong Kong	7	0.5%
16	Romania	6	0.4%
17	Singapore	6	0.4%
18	Viet Nam	6	0.4%
19	Turkey	5	0.4%
20	Brazil	5	0.4%
21	Argentina	5	0.4%
22	Cyprus	5	0.4%
23	Egypt	5	0.4%
24	France	5	0.4%
25	Ireland	4	0.3%
26	South Africa	4	0.3%
27	Palestine, State of	3	0.2%
28	Serbia	3	0.2%
29	Philippines	3	0.2%
30	Thailand	3	0.2%
31	United Kingdom	3	0.2%
32	Tajikistan	2	0.1%
33	United Arab Emirates	2	0.1%
34	Saudi Arabia	2	0.1%
35	Norway	2	0.1%
36	Mexico	2	0.1%
37	Macao	2	0.1%
38	Malaysia	2	0.1%
39	Israel	2	0.1%
40	Italy	1	0.1%
41	Hungary	1	0.1%
42	Ghana	1	0.1%
43	Georgia	1	0.1%
44	Brunei Darussalam	1	0.1%
45	Mauritius	1	0.1%
46	Lebanon	1	0.1%
47	Mongolia	1	0.1%
48	Spain	1	0.1%