Rank	Countries/Territories	Count	Percent
1	China	341	38.1%
2	United States	307	34.3%
3	Germany	59	6.6%
4	Japan	29	3.2%
5	Korea, Republic of	20	2.2%
6	France	18	2%
7	Singapore	18	2%
8	Portugal	14	1.6%
9	Australia	11	1.2%
10		10	1.1%
11	Cyprus	10	1.1%
12	Netherlands	10	1.1%
13	India	10	1.1%
14	Russia	8	0.9%
15	Mongolia	5	0.6%
16	United Kingdom	4	0.4%
17	Ukraine	3	0.3%
18	Canada	3	0.3%
19	Iran, Islamic Republic of	2	0.2%
20	Ireland	2	0.2%
21	Hong Kong	2	0.2%
22	Sweden	2	0.2%
23	Switzerland	1	0.1%
24	Turkey	1	0.1%
25	Spain	1	0.1%
26	Norway	1	0.1%
27	Mauritius	1	0.1%
28	Argentina	1	0.1%
29	Brazil	1	0.1%