Rank	Countries/Territories	Count	Percent
1	United States	383	42.7%
2	China	275	30.7%
3	Germany	49	5.5%
4	Japan	32	3.6%
5	Singapore	24	2.7%
6	Netherlands	19	2.1%
7	Canada	15	1.7%
8	France	12	1.3%
9	Korea, Republic of	11	1.2%
10	Iran, Islamic Republic of	10	1.1%
11	India	9	1%
12	Cyprus	7	0.8%
13	Ireland	6	0.7%
14	Russia	6	0.7%
15	United Kingdom	6	0.7%
16	Australia	4	0.4%
17	Viet Nam	3	0.3%
18	Taiwan	3	0.3%
19	Spain	3	0.3%
20	Norway	3	0.3%
21	Philippines	2	0.2%
22	Switzerland	2	0.2%
23	Austria	2	0.2%
24	Malaysia	2	0.2%
25	Mongolia	1	0.1%
26	Luxembourg	1	0.1%
27	Belgium	1	0.1%
28	Bulgaria	1	0.1%
29	Sweden	1	0.1%
30	Poland	1	0.1%
31	Thailand	1	0.1%
32	Turkey	1	0.1%