Rank	Countries/Territories	Count	Percent
1	United States	446	24.3%
2	Germany	306	16.7%
3	Japan	267	14.5%
4	China	266	14.5%
5	Singapore	94	5.1%
6	Korea, Republic of	66	3.6%
7	Russia	49	2.7%
8	United Kingdom	44	2.4%
9	Sweden	43	2.3%
10	New Zealand	40	2.2%
11	Australia	24	1.3%
12	Canada	22	1.2%
13	Turkey	20	1.1%
14	Netherlands	12	0.7%
15	Iran, Islamic Republic of	12	0.7%
16	India	11	0.6%
17	France	11	0.6%
18	Nicaragua	8	0.4%
19	Cyprus	7	0.4%
20	Argentina	5	0.3%
21	Iraq	5	0.3%
22	Hong Kong	5	0.3%
23	Greece	4	0.2%
24	Italy	4	0.2%
25	Mexico	4	0.2%
26	Ukraine	4	0.2%
27	Spain	4	0.2%
28	Malaysia	3	0.2%
29	Saudi Arabia	3	0.2%
30	Poland	3	0.2%
31	Brazil	3	0.2%
32	Egypt	3	0.2%
33	Ecuador	2	0.1%
34	Algeria	2	0.1%
35	Bangladesh	2	0.1%
36	Belgium	2	0.1%
37	Latvia	2	0.1%
38	Lithuania	2	0.1%
39	Jordan	2	0.1%
40	Hungary	2	0.1%
41	Ireland	2	0.1%
42	Indonesia	2	0.1%
43	Sri Lanka	2	0.1%
44	Pakistan	2	0.1%
45	Zambia	2	0.1%
46	Viet Nam	1	0.1%
47	Slovakia	1	0.1%
48	South Africa	1	0.1%
49	Portugal	1	0.1%
50	Norway	1	0.1%
51	Mongolia	1	0.1%
52	Morocco	1	0.1%
53	Botswana	1	0.1%
54		1	0.1%
55	Denmark	1	0.1%
56	Chile	1	0.1%
57	Colombia	1	0.1%