Rank	Countries/Territories	Count	Percent
1	United States	451	42.9%
2	China	287	27.3%
3	Germany	105	10%
4	Japan	48	4.6%
5	France	35	3.3%
6	Canada	26	2.5%
7	Indonesia	26	2.5%
8	Singapore	21	2%
9	Australia	8	0.8%
10	Ireland	6	0.6%
11	United Kingdom	6	0.6%
12	Cyprus	5	0.5%
13	Argentina	4	0.4%
14	Netherlands	4	0.4%
15	Russia	3	0.3%
16	India	3	0.3%
17	Iran, Islamic Republic of	3	0.3%
18	Korea, Republic of	3	0.3%
19	Mexico	2	0.2%
20	Hong Kong	2	0.2%
21	Mongolia	1	0.1%
22	Pakistan	1	0.1%
23	Switzerland	1	0.1%
24	Ukraine	1	0.1%