Rank	Countries/Territories	Count	Percent
1	United States	575	42.5%
2	China	422	31.2%
3	Germany	86	6.4%
4	Singapore	44	3.3%
5	Canada	43	3.2%
6	France	35	2.6%
7	Japan	19	1.4%
8	Netherlands	15	1.1%
9	Ukraine	14	1%
10	Cyprus	13	1%
11	Norway	12	0.9%
12	Russia	11	0.8%
13	Korea, Republic of	9	0.7%
14	Australia	8	0.6%
15	Argentina	7	0.5%
16	Switzerland	7	0.5%
17	Thailand	5	0.4%
18	Latvia	5	0.4%
19	Egypt	3	0.2%
20	Hong Kong	3	0.2%
21	United Kingdom	3	0.2%
22	Poland	2	0.1%
23	South Africa	2	0.1%
24	Ireland	2	0.1%
25	Malaysia	2	0.1%
26	Mongolia	2	0.1%
27	Philippines	1	0.1%
28	Italy	1	0.1%
29	Bangladesh	1	0.1%
30	Viet Nam	1	0.1%