Rank	Countries/Territories	Count	Percent
1	United States	375	48.1%
2	China	269	34.5%
3	Germany	31	4%
4		30	3.8%
5	Japan	17	2.2%
6	Canada	15	1.9%
7	Netherlands	7	0.9%
8	Cyprus	3	0.4%
9	Israel	3	0.4%
10	Australia	3	0.4%
11	Hong Kong	3	0.4%
12	Iran, Islamic Republic of	3	0.4%
13	Singapore	3	0.4%
14	Taiwan	2	0.3%
15	United Kingdom	2	0.3%
16	Italy	2	0.3%
17	France	2	0.3%
18	Korea, Republic of	2	0.3%
19	Malaysia	2	0.3%
20	Russia	1	0.1%
21	Ireland	1	0.1%
22	Argentina	1	0.1%
23	South Africa	1	0.1%
24	Spain	1	0.1%
25	Switzerland	1	0.1%