Rank	Countries/Territories	Count	Percent
1	United States	199	33.6%
2	China	195	32.9%
3	Germany	67	11.3%
4	Netherlands	24	4%
5	Singapore	17	2.9%
6	Japan	17	2.9%
7	Canada	13	2.2%
8	Australia	11	1.9%
9	Turkey	10	1.7%
10	France	9	1.5%
11	Cyprus	6	1%
12	Korea, Republic of	6	1%
13	India	5	0.8%
14	Russia	3	0.5%
15	Switzerland	2	0.3%
16	Kazakhstan	2	0.3%
17	Argentina	2	0.3%
18	Hong Kong	2	0.3%
19	Ukraine	2	0.3%
20	United Kingdom	1	0.2%