Rank	Countries/Territories	Count	Percent
1	United States	267	39.6%
2	China	264	39.1%
3	Germany	62	9.2%
4	Japan	16	2.4%
5	India	10	1.5%
6	Russia	8	1.2%
7	France	8	1.2%
8	Netherlands	6	0.9%
9	Singapore	5	0.7%
10	Korea, Republic of	3	0.4%
11	Cyprus	3	0.4%
12	Australia	3	0.4%
13	Canada	3	0.4%
14	Egypt	2	0.3%
15	Greece	2	0.3%
16	Hong Kong	2	0.3%
17	Lao People's Democratic Republic	2	0.3%
18	Mongolia	2	0.3%
19	Spain	2	0.3%
20	Taiwan	2	0.3%
21	Philippines	2	0.3%
22	Argentina	1	0.1%