Rank	Countries/Territories	Count	Percent
1	United States	662	43.3%
2	China	547	35.8%
3	Germany	93	6.1%
4	France	42	2.7%
5	Japan	29	1.9%
6	Egypt	22	1.4%
7	Canada	16	1%
8	Netherlands	13	0.9%
9	Singapore	13	0.9%
10	Ukraine	12	0.8%
11	Australia	12	0.8%
12	Korea, Republic of	9	0.6%
13	India	7	0.5%
14	Russia	6	0.4%
15	Norway	5	0.3%
16	Switzerland	5	0.3%
17	Cyprus	5	0.3%
18	Iran, Islamic Republic of	4	0.3%
19	Latvia	4	0.3%
20	Bangladesh	3	0.2%
21	Thailand	3	0.2%
22	South Africa	3	0.2%
23	United Kingdom	3	0.2%
24	Turkey	2	0.1%
25	Argentina	2	0.1%
26	Finland	2	0.1%
27	Ireland	2	0.1%
28	Hong Kong	1	0.1%
29	Malaysia	1	0.1%
30	Mongolia	1	0.1%