Rank	Countries/Territories	Count	Percent
1	United States	419	46.3%
2	China	181	20%
3	Germany	129	14.3%
4	Singapore	17	1.9%
5	Mexico	17	1.9%
6	Canada	14	1.5%
7	Russia	13	1.4%
8	Japan	11	1.2%
9	India	11	1.2%
10	Brazil	10	1.1%
11	Netherlands	8	0.9%
12	Australia	7	0.8%
13	France	7	0.8%
14	Turkey	6	0.7%
15	Philippines	5	0.6%
16	Italy	5	0.6%
17	Argentina	4	0.4%
18	Cyprus	4	0.4%
19	Ecuador	4	0.4%
20	Ukraine	4	0.4%
21	Romania	3	0.3%
22	Ireland	3	0.3%
23	Hong Kong	3	0.3%
24	Thailand	3	0.3%
25	Greece	2	0.2%
26	Iran, Islamic Republic of	2	0.2%
27	Denmark	2	0.2%
28	Portugal	2	0.2%
29	Korea, Republic of	2	0.2%
30	Latvia	1	0.1%
31	Mongolia	1	0.1%
32	Norway	1	0.1%
33	Taiwan	1	0.1%
34	Uzbekistan	1	0.1%
35	Yemen	1	0.1%
36	Egypt	1	0.1%