Rank	Countries/Territories	Count	Percent
1	United States	528	42.4%
2	China	338	27.1%
3	Japan	76	6.1%
4	Germany	70	5.6%
5	Canada	27	2.2%
6	France	22	1.8%
7	Australia	21	1.7%
8	Netherlands	20	1.6%
9	United Kingdom	18	1.4%
10	Hong Kong	12	1%
11	Denmark	9	0.7%
12	Ireland	9	0.7%
13	Singapore	7	0.6%
14	Lithuania	7	0.6%
15	Norway	7	0.6%
16	Cyprus	7	0.6%
17	Korea, Republic of	7	0.6%
18	Turkey	7	0.6%
19	Latvia	5	0.4%
20	Brazil	5	0.4%
21	Malaysia	4	0.3%
22	Zimbabwe	4	0.3%
23	Pakistan	3	0.2%
24	Russia	3	0.2%
25	Switzerland	3	0.2%
26	Taiwan	3	0.2%
27	India	3	0.2%
28	Indonesia	2	0.2%
29	Argentina	2	0.2%
30	Egypt	2	0.2%
31	Spain	2	0.2%
32	Portugal	2	0.2%
33	Nigeria	2	0.2%
34	Ukraine	2	0.2%
35	Mongolia	1	0.1%
36	Romania	1	0.1%
37	Poland	1	0.1%
38	Sweden	1	0.1%
39	South Africa	1	0.1%
40	Belgium	1	0.1%
41	Iran, Islamic Republic of	1	0.1%