Rank	Countries/Territories	Count	Percent
1	United States	176	33.7%
2	China	174	33.3%
3	Germany	80	15.3%
4	Korea, Republic of	29	5.6%
5	France	16	3.1%
6	Netherlands	13	2.5%
7	Japan	6	1.1%
8	Canada	4	0.8%
9	Cyprus	3	0.6%
10	Malaysia	3	0.6%
11	Turkey	3	0.6%
12	Argentina	2	0.4%
13	Bhutan	2	0.4%
14	Ireland	2	0.4%
15	Italy	2	0.4%
16	Papua New Guinea	1	0.2%
17	Russia	1	0.2%
18	Singapore	1	0.2%
19	Georgia	1	0.2%
20	Greece	1	0.2%
21	India	1	0.2%
22	United Kingdom	1	0.2%