Rank	Countries/Territories	Count	Percent
1	United States	653	39.9%
2	China	382	23.3%
3	Germany	110	6.7%
4	Japan	60	3.7%
5	India	49	3%
6	Canada	46	2.8%
7	Netherlands	34	2.1%
8	Ireland	28	1.7%
9	Australia	28	1.7%
10	Singapore	24	1.5%
11	United Kingdom	23	1.4%
12	Iran, Islamic Republic of	23	1.4%
13	Korea, Republic of	17	1%
14	Malaysia	16	1%
15	Pakistan	12	0.7%
16	France	11	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	Bangladesh	5	0.3%
23	Mexico	5	0.3%
24	Italy	5	0.3%
25	Portugal	5	0.3%
26	Romania	3	0.2%
27	Thailand	3	0.2%
28	Turkey	3	0.2%
29	Ukraine	3	0.2%
30	New Zealand	3	0.2%
31	Iraq	3	0.2%
32	Israel	3	0.2%
33	Belgium	3	0.2%
34	Hong Kong	3	0.2%
35	Greece	2	0.1%
36	Egypt	2	0.1%
37	Colombia	2	0.1%
38	Croatia	2	0.1%
39	Norway	2	0.1%
40	Peru	2	0.1%
41	Morocco	2	0.1%
42	Serbia	2	0.1%
43	Tunisia	1	0.1%
44	Saudi Arabia	1	0.1%
45	Senegal	1	0.1%
46	Slovakia	1	0.1%
47	Spain	1	0.1%
48	Sweden	1	0.1%
49	Viet Nam	1	0.1%
50	Mongolia	1	0.1%
51	Latvia	1	0.1%
52	Lithuania	1	0.1%
53	Argentina	1	0.1%
54	Armenia	1	0.1%
55	Czech Republic	1	0.1%
56	Ghana	1	0.1%