Rank	Countries/Territories	Count	Percent
1	United States	601	38%
2	China	458	29%
3	Germany	122	7.7%
4	Korea, Republic of	69	4.4%
5	Iran, Islamic Republic of	42	2.7%
6	Australia	35	2.2%
7	Egypt	26	1.6%
8	Singapore	24	1.5%
9	Japan	23	1.5%
10	France	18	1.1%
11	United Kingdom	17	1.1%
12	Netherlands	15	0.9%
13	Hong Kong	15	0.9%
14	India	11	0.7%
15	Malaysia	9	0.6%
16	Canada	9	0.6%
17	Ireland	8	0.5%
18	Cyprus	6	0.4%
19	Greece	5	0.3%
20	Bangladesh	5	0.3%
21	Romania	5	0.3%
22	Turkey	4	0.3%
23	Norway	4	0.3%
24	Chile	4	0.3%
25	Iraq	4	0.3%
26	Mongolia	3	0.2%
27	Argentina	3	0.2%
28	Bulgaria	3	0.2%
29	Switzerland	3	0.2%
30	Taiwan	3	0.2%
31	Ukraine	3	0.2%
32	Viet Nam	2	0.1%
33	South Africa	2	0.1%
34	Pakistan	2	0.1%
35	Lithuania	2	0.1%
36	Macao	2	0.1%
37	Indonesia	2	0.1%
38	Iceland	1	0.1%
39	Israel	1	0.1%
40	Jordan	1	0.1%
41	New Zealand	1	0.1%
42	Belgium	1	0.1%
43	Brazil	1	0.1%
44	Austria	1	0.1%
45	Algeria	1	0.1%
46	Angola	1	0.1%
47	Philippines	1	0.1%
48	Poland	1	0.1%
49	Portugal	1	0.1%
50	Spain	1	0.1%