Rank	Countries/Territories	Count	Percent
1	United States	573	34.2%
2	China	532	31.7%
3	Germany	221	13.2%
4	India	73	4.4%
5	Japan	63	3.8%
6	France	33	2%
7	Netherlands	19	1.1%
8	Turkey	15	0.9%
9	United Kingdom	15	0.9%
10	Taiwan	14	0.8%
11	Australia	10	0.6%
12	Canada	9	0.5%
13	Iran, Islamic Republic of	9	0.5%
14	Singapore	9	0.5%
15	Israel	7	0.4%
16	Korea, Republic of	7	0.4%
17	Cyprus	7	0.4%
18	Sweden	7	0.4%
19	Spain	6	0.4%
20	Hong Kong	5	0.3%
21	Russia	4	0.2%
22	Philippines	3	0.2%
23	Poland	3	0.2%
24	Qatar	3	0.2%
25	Brazil	3	0.2%
26	Viet Nam	3	0.2%
27	Thailand	2	0.1%
28	Bulgaria	2	0.1%
29	Burkina Faso	2	0.1%
30	Chile	2	0.1%
31	Indonesia	2	0.1%
32	Romania	2	0.1%
33	Mongolia	2	0.1%
34	Nepal	1	0.1%
35	Italy	1	0.1%
36	Norway	1	0.1%
37	Saudi Arabia	1	0.1%
38	Ireland	1	0.1%
39	Argentina	1	0.1%
40	Greece	1	0.1%
41	Ukraine	1	0.1%
42	Uzbekistan	1	0.1%