Rank	Countries/Territories	Count	Percent
1	United States	331	39%
2	China	178	21%
3	Germany	71	8.4%
4	India	28	3.3%
5	Korea, Republic of	27	3.2%
6	Japan	19	2.2%
7	Canada	19	2.2%
8	Netherlands	18	2.1%
9	Italy	14	1.7%
10	Norway	13	1.5%
11	France	12	1.4%
12	Taiwan	12	1.4%
13	Spain	9	1.1%
14	Singapore	7	0.8%
15	Cyprus	7	0.8%
16	Iran, Islamic Republic of	7	0.8%
17	Ireland	6	0.7%
18	Russia	6	0.7%
19	Lebanon	5	0.6%
20	Turkey	5	0.6%
21	United Kingdom	5	0.6%
22	Brazil	4	0.5%
23	Australia	3	0.4%
24	Austria	3	0.4%
25	Belgium	3	0.4%
26	Egypt	3	0.4%
27	Hong Kong	3	0.4%
28	Portugal	3	0.4%
29	Luxembourg	3	0.4%
30	Malaysia	3	0.4%
31	Pakistan	3	0.4%
32	Algeria	2	0.2%
33	United Arab Emirates	2	0.2%
34	Thailand	2	0.2%
35	South Africa	1	0.1%
36	Switzerland	1	0.1%
37	Viet Nam	1	0.1%
38	Argentina	1	0.1%
39	Bulgaria	1	0.1%
40	Croatia	1	0.1%
41	Greece	1	0.1%
42	Denmark	1	0.1%
43	Peru	1	0.1%
44	Poland	1	0.1%
45	Lithuania	1	0.1%
46	Israel	1	0.1%