Rank	Countries/Territories	Count	Percent
1	United States	403	41.2%
2	China	274	28%
3	Germany	102	10.4%
4	India	62	6.3%
5	Canada	42	4.3%
6	Japan	18	1.8%
7	Singapore	11	1.1%
8	Netherlands	7	0.7%
9	Korea, Republic of	7	0.7%
10	France	7	0.7%
11	Cyprus	5	0.5%
12	Turkey	5	0.5%
13	Italy	4	0.4%
14	Australia	4	0.4%
15	Chile	4	0.4%
16	Malaysia	3	0.3%
17	United Kingdom	3	0.3%
18	Uganda	2	0.2%
19	Ukraine	2	0.2%
20	Mexico	2	0.2%
21	Mongolia	2	0.2%
22	Iran, Islamic Republic of	2	0.2%
23	Iceland	2	0.2%
24	Ireland	1	0.1%
25	Colombia	1	0.1%
26	Georgia	1	0.1%
27	Romania	1	0.1%
28	South Africa	1	0.1%