Rank	Countries/Territories	Count	Percent
1	China	1957	46.6%
2	United States	876	20.9%
3	Korea, Republic of	176	4.2%
4	Germany	156	3.7%
5	Canada	128	3%
6	India	120	2.9%
7	Japan	73	1.7%
8	Netherlands	66	1.6%
9	Hong Kong	60	1.4%
10	United Kingdom	50	1.2%
11	France	49	1.2%
12	Russia	46	1.1%
13	Iran, Islamic Republic of	42	1%
14	Australia	34	0.8%
15	Sweden	28	0.7%
16	Singapore	26	0.6%
17	Spain	24	0.6%
18	Taiwan	22	0.5%
19	Italy	21	0.5%
20	Brazil	18	0.4%
21	Mexico	17	0.4%
22	Romania	16	0.4%
23	Ireland	16	0.4%
24	Thailand	14	0.3%
25	Turkey	11	0.3%
26	Poland	10	0.2%
27	Colombia	10	0.2%
28	South Africa	8	0.2%
29	Peru	7	0.2%
30	Switzerland	7	0.2%
31	Denmark	7	0.2%
32	Argentina	6	0.1%
33	Bangladesh	5	0.1%
34	Belgium	5	0.1%
35	Ecuador	5	0.1%
36	Cyprus	5	0.1%
37	Nigeria	5	0.1%
38	Norway	4	0.1%
39	Portugal	4	0.1%
40	Saudi Arabia	4	0.1%
41	Ukraine	4	0.1%
42	Chile	4	0.1%
43	Malaysia	4	0.1%
44	Hungary	4	0.1%
45	Greece	3	0.1%
46	Iraq	3	0.1%
47	Indonesia	3	0.1%
48	Latvia	3	0.1%
49	Israel	3	0.1%
50	Egypt	3	0.1%
51	United Arab Emirates	3	0.1%
52	Zambia	3	0.1%
53	Venezuela, Bolivarian Republic of	2	0%
54	Slovenia	2	0%
55	Czech Republic	2	0%
56	Algeria	2	0%
57	Austria	2	0%
58	Jordan	1	0%
59	Luxembourg	1	0%
60	Serbia	1	0%
61	Pakistan	1	0%
62	Philippines	1	0%
63	Moldova, Republic of	1	0%
64	Nepal	1	0%
65	New Zealand	1	0%
66	Viet Nam	1	0%
67	Uzbekistan	1	0%