Rank	Countries/Territories	Count	Percent
1	United States	477	33.9%
2	China	300	21.3%
3	Germany	71	5%
4	United Kingdom	64	4.6%
5	Japan	54	3.8%
6	Australia	36	2.6%
7	Korea, Republic of	32	2.3%
8	Singapore	31	2.2%
9	Malaysia	30	2.1%
10	India	27	1.9%
11	Indonesia	20	1.4%
12	Netherlands	19	1.4%
13	Iran, Islamic Republic of	18	1.3%
14	Canada	17	1.2%
15	Portugal	17	1.2%
16	Philippines	16	1.1%
17	Spain	14	1%
18	Sweden	14	1%
19	Hong Kong	12	0.9%
20	Viet Nam	10	0.7%
21	Russia	9	0.6%
22	Taiwan	9	0.6%
23	South Africa	9	0.6%
24	Qatar	7	0.5%
25	Brazil	7	0.5%
26	Pakistan	6	0.4%
27	Turkey	6	0.4%
28	Romania	5	0.4%
29	Ethiopia	5	0.4%
30	Finland	5	0.4%
31	Ireland	5	0.4%
32	Jordan	4	0.3%
33	Nigeria	4	0.3%
34	France	4	0.3%
35	Grenada	4	0.3%
36	Colombia	4	0.3%
37	Chile	3	0.2%
38	Belgium	3	0.2%
39	Denmark	3	0.2%
40	Greece	3	0.2%
41	Zimbabwe	3	0.2%
42	Palestine, State of	2	0.1%
43	Cyprus	2	0.1%
44	New Zealand	2	0.1%
45	Mexico	2	0.1%
46	Iraq	2	0.1%
47	Kenya	1	0.1%
48	Israel	1	0.1%
49	Macao	1	0.1%
50	Norway	1	0.1%
51	Bangladesh	1	0.1%
52	Gambia	1	0.1%
53	Poland	1	0.1%
54	Switzerland	1	0.1%
55	Sri Lanka	1	0.1%