Rank	Countries/Territories	Count	Percent
1	United States	349	36.5%
2	China	330	34.6%
3	Germany	94	9.8%
4	Canada	27	2.8%
5	Australia	22	2.3%
6	Romania	20	2.1%
7	Japan	19	2%
8	France	14	1.5%
9	Singapore	9	0.9%
10	India	8	0.8%
11	Ireland	7	0.7%
12	United Kingdom	7	0.7%
13	Israel	6	0.6%
14	Netherlands	5	0.5%
15	Cyprus	4	0.4%
16	Cambodia	3	0.3%
17	Bangladesh	2	0.2%
18	Iran, Islamic Republic of	2	0.2%
19	Nigeria	2	0.2%
20	Slovakia	2	0.2%
21	South Africa	2	0.2%
22	Uzbekistan	2	0.2%
23	Oman	2	0.2%
24	Mongolia	2	0.2%
25	Ukraine	2	0.2%
26	Philippines	1	0.1%
27	Qatar	1	0.1%
28	Spain	1	0.1%
29	Switzerland	1	0.1%
30	Norway	1	0.1%
31	Italy	1	0.1%
32	Indonesia	1	0.1%
33	Luxembourg	1	0.1%
34	Malaysia	1	0.1%
35	Mexico	1	0.1%
36	Brazil	1	0.1%
37	Algeria	1	0.1%
38	Argentina	1	0.1%