Rank	Countries/Territories	Count	Percent
1	United States	234	38%
2	China	196	31.8%
3	Germany	59	9.6%
4	Canada	32	5.2%
5	United Kingdom	17	2.8%
6	France	16	2.6%
7	India	9	1.5%
8	Japan	9	1.5%
9	Netherlands	6	1%
10	Spain	6	1%
11	Korea, Republic of	5	0.8%
12	Iran, Islamic Republic of	5	0.8%
13	Australia	4	0.6%
14	South Africa	4	0.6%
15	Mexico	2	0.3%
16	Cyprus	2	0.3%
17	Ireland	2	0.3%
18	Philippines	2	0.3%
19	Russia	2	0.3%
20	Singapore	1	0.2%
21	Malaysia	1	0.2%
22	Ghana	1	0.2%
23	Colombia	1	0.2%