Rank	Countries/Territories	Count	Percent
1	United States	288	42.9%
2	China	209	31.1%
3	Germany	70	10.4%
4	India	30	4.5%
5	Japan	24	3.6%
6	Canada	9	1.3%
7	Iran, Islamic Republic of	6	0.9%
8	Australia	5	0.7%
9	France	4	0.6%
10	Netherlands	4	0.6%
11	Cyprus	3	0.4%
12	Singapore	3	0.4%
13	Ukraine	2	0.3%
14	Mexico	2	0.3%
15	Egypt	2	0.3%
16	Argentina	2	0.3%
17	Cote D'ivoire	2	0.3%
18	Oman	1	0.1%
19	Romania	1	0.1%
20	Russia	1	0.1%
21	Italy	1	0.1%
22	Greece	1	0.1%
23	Mongolia	1	0.1%