Rank	Countries/Territories	Count	Percent
1	United States	393	24.4%
2	Japan	369	22.9%
3	China	216	13.4%
4	Germany	181	11.3%
5	Singapore	78	4.9%
6	United Kingdom	59	3.7%
7	India	56	3.5%
8	France	20	1.2%
9	Australia	19	1.2%
10	Taiwan	18	1.1%
11	Italy	16	1%
12	Switzerland	15	0.9%
13	Pakistan	12	0.7%
14	Korea, Republic of	10	0.6%
15	Malaysia	10	0.6%
16	Netherlands	10	0.6%
17	South Africa	10	0.6%
18	Canada	8	0.5%
19	Cyprus	7	0.4%
20	Brazil	7	0.4%
21	Nigeria	7	0.4%
22	Norway	6	0.4%
23	Indonesia	6	0.4%
24	United Arab Emirates	6	0.4%
25	Chile	5	0.3%
26	Hong Kong	5	0.3%
27	Peru	5	0.3%
28	Austria	4	0.2%
29	Denmark	4	0.2%
30	Iran, Islamic Republic of	4	0.2%
31	Spain	4	0.2%
32	Sweden	4	0.2%
33	Portugal	3	0.2%
34	Mexico	3	0.2%
35	Morocco	2	0.1%
36	Libya	2	0.1%
37	Palestine, State of	2	0.1%
38	Saudi Arabia	2	0.1%
39	Serbia	2	0.1%
40	Ireland	2	0.1%
41	Israel	2	0.1%
42	Greece	2	0.1%
43	Egypt	2	0.1%
44	Bangladesh	2	0.1%
45	Slovakia	2	0.1%
46	Zimbabwe	2	0.1%
47	Turkey	1	0.1%
48	Ukraine	1	0.1%
49	Romania	1	0.1%
50	Russia	1	0.1%