Rank	Countries/Territories	Count	Percent
1	United States	349	38.2%
2	China	327	35.8%
3	Germany	104	11.4%
4	Netherlands	30	3.3%
5	Japan	27	3%
6	France	9	1%
7	Norway	9	1%
8	Hong Kong	8	0.9%
9	Singapore	8	0.9%
10	Cyprus	5	0.5%
11	Australia	5	0.5%
12	Canada	4	0.4%
13	Finland	3	0.3%
14	Luxembourg	3	0.3%
15	Tunisia	3	0.3%
16	United Kingdom	3	0.3%
17	Korea, Republic of	2	0.2%
18	Romania	2	0.2%
19	Mongolia	2	0.2%
20	South Africa	2	0.2%
21	Spain	2	0.2%
22	Ireland	2	0.2%
23	Argentina	2	0.2%
24	Switzerland	1	0.1%
25	Kazakhstan	1	0.1%
26	Ukraine	1	0.1%