Rank	Countries/Territories	Count	Percent
1	United States	448	43.5%
2	China	201	19.5%
3	Germany	97	9.4%
4	France	48	4.7%
5	Japan	28	2.7%
6	Singapore	26	2.5%
7	India	22	2.1%
8	Canada	19	1.8%
9	Malaysia	19	1.8%
10	Netherlands	16	1.6%
11	United Kingdom	16	1.6%
12	Australia	13	1.3%
13	Korea, Republic of	11	1.1%
14	Ireland	9	0.9%
15	Indonesia	6	0.6%
16	Argentina	6	0.6%
17	Egypt	4	0.4%
18	Ethiopia	4	0.4%
19	Israel	3	0.3%
20	Cyprus	3	0.3%
21	Hong Kong	3	0.3%
22	Libya	3	0.3%
23	Russia	3	0.3%
24	South Africa	3	0.3%
25	Ukraine	3	0.3%
26	Thailand	2	0.2%
27	Romania	2	0.2%
28	Costa Rica	2	0.2%
29	Brazil	2	0.2%
30	Italy	1	0.1%
31	Iran, Islamic Republic of	1	0.1%
32	Norway	1	0.1%
33	Philippines	1	0.1%
34	Mexico	1	0.1%
35	Switzerland	1	0.1%
36	Viet Nam	1	0.1%