Rank	Countries/Territories	Count	Percent
1	United States	639	37.4%
2	China	522	30.6%
3	Germany	127	7.4%
4	United Kingdom	66	3.9%
5	Japan	46	2.7%
6	Australia	28	1.6%
7	Netherlands	27	1.6%
8	Canada	21	1.2%
9	Singapore	19	1.1%
10	France	18	1.1%
11	Taiwan	16	0.9%
12	Korea, Republic of	14	0.8%
13	India	14	0.8%
14	Sweden	13	0.8%
15	Thailand	11	0.6%
16	Turkey	8	0.5%
17	Norway	8	0.5%
18	Russia	7	0.4%
19	Argentina	7	0.4%
20	Cyprus	7	0.4%
21	Viet Nam	7	0.4%
22	Spain	6	0.4%
23	Austria	6	0.4%
24	Pakistan	5	0.3%
25	Mexico	5	0.3%
26	Hong Kong	5	0.3%
27	Italy	5	0.3%
28	Colombia	4	0.2%
29	Egypt	4	0.2%
30	Ethiopia	3	0.2%
31	Belgium	3	0.2%
32	Iran, Islamic Republic of	3	0.2%
33	Mongolia	3	0.2%
34	New Zealand	3	0.2%
35	Slovakia	3	0.2%
36	South Africa	3	0.2%
37	Ukraine	2	0.1%
38	Ireland	2	0.1%
39	Hungary	2	0.1%
40	Iceland	2	0.1%
41	Indonesia	2	0.1%
42	Bangladesh	2	0.1%
43	Chile	2	0.1%
44	Denmark	2	0.1%
45	Greece	1	0.1%
46	Brazil	1	0.1%
47	Malaysia	1	0.1%
48	Peru	1	0.1%
49	Serbia	1	0.1%
50	Switzerland	1	0.1%