Rank	Countries/Territories	Count	Percent
1	United States	668	39.7%
2	China	396	23.5%
3	Germany	110	6.5%
4	Japan	60	3.6%
5	India	51	3%
6	Canada	46	2.7%
7	Netherlands	35	2.1%
8	Australia	31	1.8%
9	Ireland	30	1.8%
10	Singapore	24	1.4%
11	United Kingdom	24	1.4%
12	Iran, Islamic Republic of	23	1.4%
13	Korea, Republic of	17	1%
14	Malaysia	16	1%
15	France	14	0.8%
16	Pakistan	12	0.7%
17	Switzerland	10	0.6%
18	Taiwan	10	0.6%
19	Russia	10	0.6%
20	Cyprus	7	0.4%
21	Brazil	7	0.4%
22	Hong Kong	6	0.4%
23	Bangladesh	5	0.3%
24	Mexico	5	0.3%
25	Italy	5	0.3%
26	Portugal	5	0.3%
27	Egypt	4	0.2%
28	Belgium	3	0.2%
29	New Zealand	3	0.2%
30	Iraq	3	0.2%
31	Israel	3	0.2%
32	Romania	3	0.2%
33	Thailand	3	0.2%
34	Turkey	3	0.2%
35	Ukraine	3	0.2%
36	Serbia	2	0.1%
37	Norway	2	0.1%
38	Peru	2	0.1%
39	Morocco	2	0.1%
40	Colombia	2	0.1%
41	Croatia	2	0.1%
42	Greece	2	0.1%
43	Ghana	1	0.1%
44	Czech Republic	1	0.1%
45	Argentina	1	0.1%
46	Armenia	1	0.1%
47	Mongolia	1	0.1%
48	Latvia	1	0.1%
49	Lithuania	1	0.1%
50	Tunisia	1	0.1%
51	Saudi Arabia	1	0.1%
52	Senegal	1	0.1%
53	Slovakia	1	0.1%
54	Spain	1	0.1%
55	Sweden	1	0.1%
56	Viet Nam	1	0.1%