Rank	Countries/Territories	Count	Percent
1	United States	401	36.8%
2	China	381	34.9%
3	Australia	62	5.7%
4	Germany	59	5.4%
5	Japan	48	4.4%
6	Netherlands	24	2.2%
7	Canada	16	1.5%
8	Egypt	14	1.3%
9	Ireland	8	0.7%
10	India	7	0.6%
11	France	6	0.5%
12	Cyprus	6	0.5%
13	Singapore	6	0.5%
14	United Kingdom	5	0.5%
15	Chile	5	0.5%
16	Korea, Republic of	5	0.5%
17	Malaysia	5	0.5%
18	Iran, Islamic Republic of	4	0.4%
19	Russia	4	0.4%
20	South Africa	4	0.4%
21	Switzerland	3	0.3%
22	Argentina	3	0.3%
23	Norway	2	0.2%
24	Mexico	2	0.2%
25	Lithuania	2	0.2%
26	Italy	2	0.2%
27	Kazakhstan	2	0.2%
28	Philippines	1	0.1%
29	Romania	1	0.1%
30	Ukraine	1	0.1%
31	Rwanda	1	0.1%
32	Viet Nam	1	0.1%