Rank	Countries/Territories	Count	Percent
1	United States	489	36.6%
2	China	378	28.3%
3	Germany	114	8.5%
4	Canada	35	2.6%
5	India	35	2.6%
6	Korea, Republic of	31	2.3%
7	Japan	21	1.6%
8	Netherlands	20	1.5%
9	France	20	1.5%
10	Singapore	19	1.4%
11	Norway	16	1.2%
12	Italy	15	1.1%
13	Spain	15	1.1%
14	Taiwan	13	1%
15	Iran, Islamic Republic of	9	0.7%
16	Cyprus	8	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	Belgium	3	0.2%
28	Egypt	3	0.2%
29	Finland	3	0.2%
30	Pakistan	3	0.2%
31	Portugal	3	0.2%
32	Luxembourg	3	0.2%
33	Malaysia	3	0.2%
34	Mexico	2	0.1%
35	Algeria	2	0.1%
36	Ukraine	2	0.1%
37	United Arab Emirates	2	0.1%
38	South Africa	2	0.1%
39	Sweden	1	0.1%
40	Switzerland	1	0.1%
41	Viet Nam	1	0.1%
42	Argentina	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%