Rank	Countries/Territories	Count	Percent
1	United States	261	40.3%
2	China	215	33.2%
3	Germany	46	7.1%
4	India	21	3.2%
5	Korea, Republic of	17	2.6%
6	Japan	16	2.5%
7	Denmark	9	1.4%
8	Australia	9	1.4%
9	Indonesia	7	1.1%
10	Singapore	6	0.9%
11	Netherlands	5	0.8%
12	Cyprus	5	0.8%
13	France	3	0.5%
14	Kuwait	3	0.5%
15	Canada	3	0.5%
16	Spain	3	0.5%
17	Sweden	2	0.3%
18	Israel	2	0.3%
19	Taiwan	2	0.3%
20	Mexico	2	0.3%
21	Mongolia	2	0.3%
22	Iran, Islamic Republic of	2	0.3%
23	Ireland	1	0.2%
24	Hong Kong	1	0.2%
25	Brazil	1	0.2%
26	Tunisia	1	0.2%
27	Russia	1	0.2%
28	Switzerland	1	0.2%