Rank	Countries/Territories	Count	Percent
1	United States	258	52.1%
2	China	122	24.6%
3	Germany	61	12.3%
4	Netherlands	7	1.4%
5	Japan	6	1.2%
6	Korea, Republic of	6	1.2%
7	Russia	4	0.8%
8	Singapore	4	0.8%
9	France	4	0.8%
10	Lebanon	3	0.6%
11	Argentina	3	0.6%
12	Canada	3	0.6%
13	Brazil	2	0.4%
14	India	2	0.4%
15	Colombia	2	0.4%
16	Malaysia	2	0.4%
17	Norway	2	0.4%
18	Sweden	1	0.2%
19	Mongolia	1	0.2%
20	Cyprus	1	0.2%
21	Australia	1	0.2%