Rank	Countries/Territories	Count	Percent
1	United States	428	41.3%
2	China	309	29.8%
3	Germany	109	10.5%
4	Netherlands	67	6.5%
5	France	31	3%
6	Japan	20	1.9%
7	Norway	14	1.4%
8	Korea, Republic of	8	0.8%
9	Singapore	8	0.8%
10	Canada	7	0.7%
11	India	6	0.6%
12	Australia	5	0.5%
13	Hong Kong	5	0.5%
14	Cyprus	4	0.4%
15	Jordan	3	0.3%
16	Switzerland	3	0.3%
17	Viet Nam	2	0.2%
18	Russia	2	0.2%
19	Bangladesh	2	0.2%
20	Argentina	1	0.1%
21	Mongolia	1	0.1%
22	Thailand	1	0.1%