Rank	Countries/Territories	Count	Percent
1	China	323	33.8%
2	United States	249	26%
3	Germany	96	10%
4	Korea, Republic of	27	2.8%
5	United Kingdom	25	2.6%
6	Canada	20	2.1%
7	Bulgaria	17	1.8%
8	Russia	17	1.8%
9	Netherlands	13	1.4%
10	France	12	1.3%
11	Australia	10	1%
12	Japan	10	1%
13	Nigeria	9	0.9%
14	Cyprus	9	0.9%
15	India	9	0.9%
16	Singapore	9	0.9%
17	Portugal	5	0.5%
18	Thailand	5	0.5%
19	South Africa	5	0.5%
20	Belgium	5	0.5%
21	Benin	5	0.5%
22	Cambodia	5	0.5%
23	Philippines	5	0.5%
24	Lithuania	4	0.4%
25	Denmark	4	0.4%
26	Taiwan	4	0.4%
27	Ukraine	4	0.4%
28	Pakistan	4	0.4%
29	Romania	3	0.3%
30	Turkey	3	0.3%
31	Sweden	3	0.3%
32	Iran, Islamic Republic of	3	0.3%
33	Hungary	3	0.3%
34	Italy	3	0.3%
35	Norway	3	0.3%
36	Poland	2	0.2%
37	Latvia	2	0.2%
38	Mauritius	2	0.2%
39	Ireland	2	0.2%
40	Dominican Republic	2	0.2%
41	Serbia	2	0.2%
42	Puerto Rico	2	0.2%
43	Slovakia	1	0.1%
44	Saudi Arabia	1	0.1%
45	Switzerland	1	0.1%
46	Egypt	1	0.1%
47	Finland	1	0.1%
48	Iraq	1	0.1%
49	Albania	1	0.1%
50	Hong Kong	1	0.1%
51	Kazakhstan	1	0.1%
52	Malta	1	0.1%
53	Kuwait	1	0.1%
54	New Zealand	1	0.1%