Rank	Countries/Territories	Count	Percent
1	United States	345	36.8%
2	China	264	28.2%
3	Germany	70	7.5%
4	Russia	44	4.7%
5	Korea, Republic of	38	4.1%
6	France	19	2%
7	Netherlands	16	1.7%
8	Japan	14	1.5%
9	Singapore	12	1.3%
10	Indonesia	10	1.1%
11	Canada	9	1%
12	Australia	7	0.7%
13	United Kingdom	7	0.7%
14	Hong Kong	6	0.6%
15	India	6	0.6%
16	Italy	5	0.5%
17	Cyprus	5	0.5%
18	Poland	5	0.5%
19	Taiwan	5	0.5%
20	Romania	4	0.4%
21	Malaysia	4	0.4%
22	Bulgaria	4	0.4%
23	Ireland	3	0.3%
24	Philippines	3	0.3%
25	Thailand	3	0.3%
26	Turkey	3	0.3%
27	Ukraine	3	0.3%
28	Spain	3	0.3%
29	South Africa	2	0.2%
30	Serbia	2	0.2%
31	Libya	2	0.2%
32	Kazakhstan	2	0.2%
33	Iran, Islamic Republic of	2	0.2%
34	Jordan	1	0.1%
35	Argentina	1	0.1%
36	Austria	1	0.1%
37	Egypt	1	0.1%
38	Kenya	1	0.1%
39	Mauritius	1	0.1%
40	Moldova, Republic of	1	0.1%
41	Norway	1	0.1%
42	Pakistan	1	0.1%
43	Portugal	1	0.1%