Rank	Countries/Territories	Count	Percent
1	United States	584	36.6%
2	China	439	27.5%
3	Germany	140	8.8%
4	Canada	37	2.3%
5	India	36	2.3%
6	Korea, Republic of	35	2.2%
7	Belgium	34	2.1%
8	France	23	1.4%
9	Japan	22	1.4%
10	Netherlands	21	1.3%
11	Singapore	21	1.3%
12	Italy	19	1.2%
13	Norway	16	1%
14	Spain	16	1%
15	Taiwan	13	0.8%
16	Cyprus	12	0.8%
17	Brazil	11	0.7%
18	Australia	10	0.6%
19	Iran, Islamic Republic of	9	0.6%
20	Russia	9	0.6%
21	Ireland	7	0.4%
22	Hong Kong	6	0.4%
23	Turkey	6	0.4%
24	Thailand	5	0.3%
25	United Kingdom	5	0.3%
26	Lebanon	5	0.3%
27	Austria	4	0.3%
28	Argentina	4	0.3%
29	Czech Republic	4	0.3%
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	South Africa	3	0.2%
37	Ukraine	2	0.1%
38	United Arab Emirates	2	0.1%
39	Mexico	2	0.1%
40	Algeria	2	0.1%
41	Bulgaria	1	0.1%
42	Colombia	1	0.1%
43	Croatia	1	0.1%
44	Denmark	1	0.1%
45	Greece	1	0.1%
46	Peru	1	0.1%
47	Poland	1	0.1%
48	Lithuania	1	0.1%
49	Israel	1	0.1%
50	Sweden	1	0.1%
51	Switzerland	1	0.1%
52	Viet Nam	1	0.1%