Rank	Countries/Territories	Count	Percent
1	China	705	43.2%
2	United States	538	32.9%
3	Germany	100	6.1%
4	France	77	4.7%
5	Japan	34	2.1%
6	Bulgaria	17	1%
7	Mongolia	17	1%
8	India	16	1%
9	Korea, Republic of	14	0.9%
10	Netherlands	14	0.9%
11	Hong Kong	12	0.7%
12	Canada	12	0.7%
13	Australia	11	0.7%
14	Cyprus	11	0.7%
15	United Kingdom	10	0.6%
16	Singapore	7	0.4%
17	Switzerland	6	0.4%
18	Ireland	5	0.3%
19	Iran, Islamic Republic of	4	0.2%
20	Russia	4	0.2%
21	Ukraine	3	0.2%
22	Indonesia	3	0.2%
23	Latvia	2	0.1%
24	Malaysia	2	0.1%
25	Argentina	2	0.1%
26	Taiwan	2	0.1%
27	Norway	1	0.1%
28	Romania	1	0.1%
29	Ecuador	1	0.1%
30	Bangladesh	1	0.1%
31	Brazil	1	0.1%