Rank	Countries/Territories	Count	Percent
1	United States	398	39.6%
2	China	289	28.8%
3	Germany	203	20.2%
4	France	22	2.2%
5	Japan	18	1.8%
6	Korea, Republic of	18	1.8%
7	Netherlands	10	1%
8	Canada	6	0.6%
9	Cyprus	5	0.5%
10	Norway	4	0.4%
11	United Kingdom	4	0.4%
12	Singapore	4	0.4%
13	Malaysia	3	0.3%
14	Australia	3	0.3%
15	Hong Kong	3	0.3%
16	India	3	0.3%
17	Indonesia	2	0.2%
18	Mongolia	2	0.2%
19	Switzerland	2	0.2%
20	Taiwan	2	0.2%
21	Ukraine	1	0.1%
22	Russia	1	0.1%
23	Argentina	1	0.1%