Rank	Countries/Territories	Count	Percent
1	United States	280	40.6%
2	China	175	25.4%
3	Germany	71	10.3%
4	Japan	52	7.5%
5	Singapore	15	2.2%
6	Russia	14	2%
7	Hong Kong	10	1.4%
8	France	7	1%
9	Canada	6	0.9%
10	Netherlands	6	0.9%
11	United Kingdom	6	0.9%
12	Viet Nam	5	0.7%
13	Ireland	5	0.7%
14	Cyprus	5	0.7%
15	Iran, Islamic Republic of	4	0.6%
16	Panama	4	0.6%
17	Jordan	3	0.4%
18	Chile	3	0.4%
19	Argentina	2	0.3%
20	Bangladesh	2	0.3%
21	Colombia	2	0.3%
22	Nigeria	2	0.3%
23	Indonesia	2	0.3%
24	Portugal	2	0.3%
25	Ukraine	2	0.3%
26	United Arab Emirates	1	0.1%
27	Switzerland	1	0.1%
28	Pakistan	1	0.1%
29	Korea, Republic of	1	0.1%
30	Bulgaria	1	0.1%