Rank	Countries/Territories	Count	Percent
1	United States	506	36.5%
2	China	398	28.7%
3	Germany	115	8.3%
4	India	36	2.6%
5	Canada	35	2.5%
6	Korea, Republic of	33	2.4%
7	Japan	21	1.5%
8	France	21	1.5%
9	Singapore	21	1.5%
10	Netherlands	20	1.4%
11	Norway	16	1.2%
12	Italy	16	1.2%
13	Spain	16	1.2%
14	Taiwan	13	0.9%
15	Cyprus	10	0.7%
16	Iran, Islamic Republic of	9	0.6%
17	Russia	8	0.6%
18	Ireland	7	0.5%
19	Turkey	6	0.4%
20	United Kingdom	5	0.4%
21	Hong Kong	5	0.4%
22	Lebanon	5	0.4%
23	Australia	5	0.4%
24	Austria	4	0.3%
25	Brazil	4	0.3%
26	Thailand	4	0.3%
27	South Africa	3	0.2%
28	Belgium	3	0.2%
29	Argentina	3	0.2%
30	Egypt	3	0.2%
31	Finland	3	0.2%
32	Pakistan	3	0.2%
33	Portugal	3	0.2%
34	Luxembourg	3	0.2%
35	Malaysia	3	0.2%
36	Mexico	2	0.1%
37	Algeria	2	0.1%
38	Ukraine	2	0.1%
39	United Arab Emirates	2	0.1%
40	Sweden	1	0.1%
41	Switzerland	1	0.1%
42	Viet Nam	1	0.1%
43	Bulgaria	1	0.1%
44	Colombia	1	0.1%
45	Croatia	1	0.1%
46	Denmark	1	0.1%
47	Greece	1	0.1%
48	Peru	1	0.1%
49	Poland	1	0.1%
50	Lithuania	1	0.1%
51	Israel	1	0.1%