Rank	Countries/Territories	Count	Percent
1	United States	260	39.9%
2	China	215	33%
3	Germany	71	10.9%
4	Japan	21	3.2%
5	France	20	3.1%
6	Singapore	8	1.2%
7	United Kingdom	8	1.2%
8	Korea, Republic of	6	0.9%
9	India	5	0.8%
10	Turkey	5	0.8%
11	South Africa	4	0.6%
12	Spain	3	0.5%
13	Hong Kong	3	0.5%
14	Russia	3	0.5%
15	Netherlands	3	0.5%
16	Portugal	2	0.3%
17	Malaysia	2	0.3%
18	Mexico	2	0.3%
19	Mongolia	2	0.3%
20	Indonesia	2	0.3%
21	Iran, Islamic Republic of	2	0.3%
22	Cyprus	2	0.3%
23	Brazil	2	0.3%
24	Australia	1	0.2%