Rank	Countries/Territories	Count	Percent
1	United States	502	28.2%
2	China	481	27%
3	Germany	117	6.6%
4	Korea, Republic of	90	5.1%
5	Japan	60	3.4%
6	United Kingdom	52	2.9%
7	Denmark	41	2.3%
8	Netherlands	37	2.1%
9	India	30	1.7%
10	France	29	1.6%
11	Hong Kong	27	1.5%
12	Australia	26	1.5%
13	Czech Republic	25	1.4%
14	Sweden	25	1.4%
15	Hungary	22	1.2%
16	Singapore	21	1.2%
17	Taiwan	18	1%
18	Italy	17	1%
19	Iran, Islamic Republic of	16	0.9%
20	Canada	15	0.8%
21	Norway	10	0.6%
22	Pakistan	10	0.6%
23	Spain	10	0.6%
24	Viet Nam	8	0.4%
25	Chile	8	0.4%
26	Belgium	8	0.4%
27	Mexico	7	0.4%
28	United Arab Emirates	5	0.3%
29	Turkey	4	0.2%
30	Russia	4	0.2%
31	Argentina	4	0.2%
32	Ethiopia	4	0.2%
33	Brazil	3	0.2%
34	Austria	3	0.2%
35	Colombia	3	0.2%
36	Cyprus	3	0.2%
37	Portugal	3	0.2%
38	Qatar	3	0.2%
39	Ukraine	3	0.2%
40	Romania	2	0.1%
41	Serbia	2	0.1%
42	Switzerland	2	0.1%
43	Bangladesh	2	0.1%
44	Georgia	2	0.1%
45	Lithuania	2	0.1%
46	Malaysia	2	0.1%
47	Peru	2	0.1%
48	Poland	2	0.1%
49	Indonesia	2	0.1%
50	Ireland	1	0.1%
51	Israel	1	0.1%
52	Mongolia	1	0.1%
53	Greece	1	0.1%
54	South Africa	1	0.1%
55	Thailand	1	0.1%
56	Trinidad and Tobago	1	0.1%