Rank	Countries/Territories	Count	Percent
1	China	279	33.6%
2	United States	267	32.1%
3	Japan	112	13.5%
4	Germany	32	3.9%
5	Singapore	25	3%
6	Iran, Islamic Republic of	22	2.6%
7	Poland	14	1.7%
8	Hong Kong	12	1.4%
9	Australia	9	1.1%
10	Brazil	7	0.8%
11	Egypt	6	0.7%
12	Canada	5	0.6%
13	Netherlands	5	0.6%
14	Russia	5	0.6%
15	Taiwan	5	0.6%
16	France	4	0.5%
17	Cyprus	4	0.5%
18	Korea, Republic of	3	0.4%
19	Mexico	2	0.2%
20	Ireland	2	0.2%
21	Turkey	2	0.2%
22	Spain	2	0.2%
23	New Zealand	2	0.2%
24	Israel	1	0.1%
25	Italy	1	0.1%
26	Mongolia	1	0.1%
27	Denmark	1	0.1%
28	Bangladesh	1	0.1%