Rank	Countries/Territories	Count	Percent
1	United States	491	45.8%
2	China	242	22.6%
3	Germany	136	12.7%
4	Japan	63	5.9%
5	Canada	22	2.1%
6	Singapore	15	1.4%
7	Cyprus	10	0.9%
8	Netherlands	8	0.7%
9	United Kingdom	7	0.7%
10	Russia	6	0.6%
11	Australia	6	0.6%
12	Hong Kong	6	0.6%
13	Ireland	5	0.5%
14	Ethiopia	4	0.4%
15	France	4	0.4%
16	Philippines	4	0.4%
17	Viet Nam	4	0.4%
18	Taiwan	4	0.4%
19	Romania	3	0.3%
20	Peru	3	0.3%
21	Mexico	3	0.3%
22	Mongolia	3	0.3%
23	Egypt	3	0.3%
24	Argentina	3	0.3%
25	Bangladesh	2	0.2%
26	Korea, Republic of	2	0.2%
27	India	2	0.2%
28	Indonesia	2	0.2%
29	Thailand	2	0.2%
30	Sweden	2	0.2%
31	Ukraine	1	0.1%
32	New Zealand	1	0.1%
33	Norway	1	0.1%
34	Malaysia	1	0.1%
35	Israel	1	0.1%
36	Brazil	1	0.1%