Rank	Countries/Territories	Count	Percent
1	United States	445	40.5%
2	China	338	30.8%
3	Germany	127	11.6%
4	Singapore	32	2.9%
5	India	22	2%
6	Japan	19	1.7%
7	Netherlands	15	1.4%
8	France	14	1.3%
9	Cyprus	12	1.1%
10	Australia	7	0.6%
11	Korea, Republic of	7	0.6%
12	Viet Nam	7	0.6%
13	Russia	6	0.5%
14	Canada	6	0.5%
15	Argentina	4	0.4%
16	Belgium	4	0.4%
17	Indonesia	4	0.4%
18	Ireland	4	0.4%
19	Taiwan	4	0.4%
20	Portugal	4	0.4%
21	Italy	2	0.2%
22	Ukraine	2	0.2%
23	Egypt	2	0.2%
24	Hungary	2	0.2%
25	Bhutan	2	0.2%
26	Brazil	2	0.2%
27	Chile	1	0.1%
28	Botswana	1	0.1%
29	Israel	1	0.1%
30	Iran, Islamic Republic of	1	0.1%
31	Mongolia	1	0.1%
32	South Africa	1	0.1%