Rank	Countries/Territories	Count	Percent
1	United States	400	35.3%
2	China	382	33.7%
3	Japan	92	8.1%
4	Germany	82	7.2%
5	Italy	32	2.8%
6	Singapore	30	2.6%
7	France	18	1.6%
8	United Kingdom	16	1.4%
9	Netherlands	10	0.9%
10	Canada	10	0.9%
11	Korea, Republic of	9	0.8%
12	Australia	8	0.7%
13	Cyprus	6	0.5%
14	Turkey	6	0.5%
15	Egypt	4	0.4%
16	Malaysia	3	0.3%
17	Ukraine	3	0.3%
18	Portugal	3	0.3%
19	Romania	2	0.2%
20	Spain	2	0.2%
21	Taiwan	2	0.2%
22	Pakistan	2	0.2%
23	Iran, Islamic Republic of	2	0.2%
24	Ireland	2	0.2%
25	Kenya	1	0.1%
26	Malawi	1	0.1%
27	Argentina	1	0.1%
28	Hong Kong	1	0.1%
29	Russia	1	0.1%
30	New Zealand	1	0.1%
31	Norway	1	0.1%