Rank	Countries/Territories	Count	Percent
1	China	383	39.9%
2	United States	313	32.6%
3	Germany	94	9.8%
4	Canada	31	3.2%
5	Korea, Republic of	17	1.8%
6	Bulgaria	15	1.6%
7	Cyprus	13	1.4%
8	Netherlands	11	1.1%
9	France	10	1%
10	Singapore	10	1%
11	India	7	0.7%
12	Ukraine	6	0.6%
13	South Africa	5	0.5%
14	Japan	5	0.5%
15	Argentina	5	0.5%
16	Australia	4	0.4%
17	Hong Kong	4	0.4%
18	Sweden	3	0.3%
19	Saudi Arabia	2	0.2%
20	Malaysia	2	0.2%
21	Ireland	2	0.2%
22	Nigeria	2	0.2%
23	Norway	2	0.2%
24	Peru	2	0.2%
25	Poland	2	0.2%
26	Bangladesh	2	0.2%
27	Greece	2	0.2%
28	Romania	1	0.1%
29	Iran, Islamic Republic of	1	0.1%
30	Mauritius	1	0.1%
31	Switzerland	1	0.1%
32	Turkey	1	0.1%
33	Spain	1	0.1%