Rank	Countries/Territories	Count	Percent
1	United States	367	43.4%
2	China	238	28.2%
3	Germany	112	13.3%
4	Canada	38	4.5%
5	Japan	21	2.5%
6	Australia	9	1.1%
7	Jordan	8	0.9%
8	Singapore	8	0.9%
9	Netherlands	7	0.8%
10	Norway	6	0.7%
11	Israel	5	0.6%
12	Cyprus	5	0.6%
13	Nigeria	4	0.5%
14	France	3	0.4%
15	India	3	0.4%
16	Iran, Islamic Republic of	2	0.2%
17	Ireland	2	0.2%
18	Bangladesh	2	0.2%
19	Russia	2	0.2%
20	Argentina	1	0.1%
21	Korea, Republic of	1	0.1%
22	Mongolia	1	0.1%