Rank	Countries/Territories	Count	Percent
1	United States	388	38.3%
2	China	337	33.3%
3	Germany	120	11.8%
4	France	34	3.4%
5	India	33	3.3%
6	Japan	19	1.9%
7	Korea, Republic of	17	1.7%
8	Canada	11	1.1%
9	Netherlands	7	0.7%
10	Saudi Arabia	7	0.7%
11	Singapore	6	0.6%
12	Romania	6	0.6%
13	Algeria	6	0.6%
14	Australia	2	0.2%
15	New Zealand	2	0.2%
16	Pakistan	2	0.2%
17	Indonesia	2	0.2%
18	Iran, Islamic Republic of	2	0.2%
19	Russia	2	0.2%
20	Viet Nam	2	0.2%
21	Ireland	2	0.2%
22	Ukraine	1	0.1%
23	Hong Kong	1	0.1%
24	Iraq	1	0.1%
25	Bangladesh	1	0.1%
26	Belgium	1	0.1%
27	Cyprus	1	0.1%