Rank	Countries/Territories	Count	Percent
1	United States	425	36.4%
2	China	368	31.5%
3	Germany	79	6.8%
4	Singapore	48	4.1%
5	France	46	3.9%
6		30	2.6%
7	Canada	26	2.2%
8	Japan	26	2.2%
9	Australia	16	1.4%
10	India	16	1.4%
11	Indonesia	7	0.6%
12	Netherlands	7	0.6%
13	Taiwan	7	0.6%
14	Ukraine	6	0.5%
15	Bulgaria	6	0.5%
16	Cyprus	5	0.4%
17	Italy	5	0.4%
18	Hong Kong	5	0.4%
19	Argentina	4	0.3%
20	Egypt	3	0.3%
21	Korea, Republic of	3	0.3%
22	Portugal	3	0.3%
23	Romania	3	0.3%
24	Mexico	3	0.3%
25	Malaysia	2	0.2%
26	South Africa	2	0.2%
27	Russia	2	0.2%
28	Ethiopia	2	0.2%
29	Belgium	2	0.2%
30	United Kingdom	2	0.2%
31	Turkey	2	0.2%
32	Brazil	1	0.1%
33	Bangladesh	1	0.1%
34	Ecuador	1	0.1%
35	Iran, Islamic Republic of	1	0.1%
36	Ireland	1	0.1%
37	Latvia	1	0.1%
38	Lithuania	1	0.1%