Rank	Countries/Territories	Count	Percent
1	United States	564	40.7%
2	China	415	29.9%
3	Germany	176	12.7%
4	France	88	6.3%
5	Japan	18	1.3%
6	Canada	18	1.3%
7		15	1.1%
8	Netherlands	12	0.9%
9	Ukraine	12	0.9%
10	Ireland	10	0.7%
11	Australia	8	0.6%
12	Cyprus	6	0.4%
13	Hong Kong	5	0.4%
14	Latvia	5	0.4%
15	Singapore	4	0.3%
16	India	4	0.3%
17	Iran, Islamic Republic of	3	0.2%
18	Argentina	3	0.2%
19	Bangladesh	2	0.1%
20	Italy	2	0.1%
21	Korea, Republic of	2	0.1%
22	South Africa	2	0.1%
23	Romania	2	0.1%
24	Russia	2	0.1%
25	Mongolia	2	0.1%
26	Turkey	2	0.1%
27	United Kingdom	1	0.1%
28	Malaysia	1	0.1%
29	Switzerland	1	0.1%
30	Austria	1	0.1%