Rank	Countries/Territories	Count	Percent
1	United States	176	37.8%
2	China	152	32.7%
3	Germany	48	10.3%
4	France	13	2.8%
5	Japan	12	2.6%
6	Iran, Islamic Republic of	10	2.2%
7	Singapore	10	2.2%
8	United Kingdom	7	1.5%
9	Ireland	6	1.3%
10	Korea, Republic of	6	1.3%
11	Cyprus	4	0.9%
12	Australia	3	0.6%
13	Taiwan	3	0.6%
14	Canada	2	0.4%
15	Colombia	2	0.4%
16	Malaysia	2	0.4%
17	Netherlands	2	0.4%
18	Pakistan	2	0.4%
19	Switzerland	2	0.4%
20	Hong Kong	1	0.2%
21	India	1	0.2%
22	Uzbekistan	1	0.2%