Rank	Countries/Territories	Count	Percent
1	United States	411	37.9%
2	China	269	24.8%
3	Germany	143	13.2%
4	Singapore	47	4.3%
5	Saudi Arabia	28	2.6%
6	Japan	25	2.3%
7	France	22	2%
8	Canada	20	1.8%
9	India	16	1.5%
10	Netherlands	16	1.5%
11	Korea, Republic of	11	1%
12	Russia	9	0.8%
13	Cyprus	7	0.6%
14	Switzerland	7	0.6%
15	Australia	6	0.6%
16	Argentina	5	0.5%
17	Ireland	5	0.5%
18	Hong Kong	3	0.3%
19	Turkey	3	0.3%
20	Slovakia	3	0.3%
21	Portugal	3	0.3%
22	Pakistan	2	0.2%
23	Romania	2	0.2%
24	Lebanon	2	0.2%
25	Malaysia	2	0.2%
26	Taiwan	2	0.2%
27	Egypt	2	0.2%
28	Israel	2	0.2%
29	Jordan	2	0.2%
30	United Kingdom	2	0.2%
31	Viet Nam	1	0.1%
32	Latvia	1	0.1%
33	Iran, Islamic Republic of	1	0.1%
34	Ukraine	1	0.1%
35	Serbia	1	0.1%
36	Morocco	1	0.1%
37	Nigeria	1	0.1%
38	Puerto Rico	1	0.1%