Rank	Countries/Territories	Count	Percent
1	United States	641	55.6%
2	China	214	18.6%
3	Germany	117	10.1%
4	France	25	2.2%
5	Japan	22	1.9%
6	Singapore	22	1.9%
7	Netherlands	18	1.6%
8	Canada	12	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	Italy	5	0.4%
17	New Zealand	5	0.4%
18	Ghana	3	0.3%
19	Lithuania	2	0.2%
20	Argentina	2	0.2%
21	Portugal	2	0.2%
22	Russia	2	0.2%
23	Indonesia	2	0.2%
24	Iran, Islamic Republic of	2	0.2%
25	Spain	2	0.2%
26	South Africa	1	0.1%
27	Bangladesh	1	0.1%
28	Mongolia	1	0.1%
29	India	1	0.1%