Rank	Countries/Territories	Count	Percent
1	United States	482	37%
2	China	258	19.8%
3	Japan	159	12.2%
4	Germany	104	8%
5	France	27	2.1%
6	Australia	27	2.1%
7	Singapore	26	2%
8	United Kingdom	21	1.6%
9	Netherlands	20	1.5%
10	India	19	1.5%
11	Spain	14	1.1%
12	Canada	10	0.8%
13	Italy	9	0.7%
14	Malaysia	9	0.7%
15	Iran, Islamic Republic of	9	0.7%
16	Russia	8	0.6%
17	Poland	8	0.6%
18	Sweden	7	0.5%
19	Slovakia	7	0.5%
20	Ireland	6	0.5%
21	Mexico	5	0.4%
22	Brazil	5	0.4%
23	Slovenia	5	0.4%
24	Taiwan	5	0.4%
25	Egypt	4	0.3%
26	Portugal	4	0.3%
27	Iceland	4	0.3%
28	Korea, Republic of	4	0.3%
29	Argentina	3	0.2%
30	Hong Kong	3	0.2%
31	Cyprus	3	0.2%
32	Czech Republic	2	0.2%
33	Indonesia	2	0.2%
34	Mauritius	2	0.2%
35	Iraq	2	0.2%
36	New Zealand	2	0.2%
37	Turkey	2	0.2%
38	Ukraine	2	0.2%
39	United Arab Emirates	2	0.2%
40	Viet Nam	2	0.2%
41	South Africa	2	0.2%
42	Switzerland	1	0.1%
43	Syrian Arab Republic	1	0.1%
44	Philippines	1	0.1%
45	Mongolia	1	0.1%
46	Finland	1	0.1%
47	Denmark	1	0.1%
48	Colombia	1	0.1%
49	Croatia	1	0.1%
50	Chile	1	0.1%