Rank	Countries/Territories	Count	Percent
1	United States	334	41.9%
2	China	252	31.6%
3	Japan	51	6.4%
4	Germany	36	4.5%
5	Korea, Republic of	20	2.5%
6	Netherlands	16	2%
7	Singapore	15	1.9%
8	Poland	11	1.4%
9	Russia	10	1.3%
10	Canada	6	0.8%
11	Cyprus	6	0.8%
12	Australia	6	0.8%
13	France	5	0.6%
14	Norway	5	0.6%
15	Hong Kong	4	0.5%
16	Ireland	3	0.4%
17	Switzerland	2	0.3%
18	Taiwan	2	0.3%
19	Turkey	2	0.3%
20	Bangladesh	2	0.3%
21	Malaysia	2	0.3%
22	Mongolia	2	0.3%
23	Macao	1	0.1%
24	Portugal	1	0.1%
25	Brazil	1	0.1%
26	Finland	1	0.1%
27	India	1	0.1%
28	Sweden	1	0.1%