Rank	Countries/Territories	Count	Percent
1	United States	624	55.2%
2	China	212	18.8%
3	Germany	117	10.4%
4	France	24	2.1%
5	Japan	22	1.9%
6	Singapore	20	1.8%
7	Netherlands	18	1.6%
8	Canada	12	1.1%
9	Australia	11	1%
10	Ukraine	10	0.9%
11	Hong Kong	7	0.6%
12	Korea, Republic of	6	0.5%
13	Brazil	6	0.5%
14	Cyprus	6	0.5%
15	United Kingdom	5	0.4%
16	New Zealand	5	0.4%
17	Italy	5	0.4%
18	Ghana	3	0.3%
19	Indonesia	2	0.2%
20	Iran, Islamic Republic of	2	0.2%
21	Lithuania	2	0.2%
22	Argentina	2	0.2%
23	Spain	2	0.2%
24	Portugal	2	0.2%
25	Russia	2	0.2%
26	South Africa	1	0.1%
27	Bangladesh	1	0.1%
28	Mongolia	1	0.1%