Rank	Countries/Territories	Count	Percent
1	United States	457	44.2%
2	China	269	26%
3	Germany	127	12.3%
4	Japan	30	2.9%
5	Australia	24	2.3%
6	Canada	16	1.5%
7	Norway	12	1.2%
8	Brazil	12	1.2%
9	Switzerland	12	1.2%
10	France	11	1.1%
11	Netherlands	10	1%
12	Korea, Republic of	8	0.8%
13	Hong Kong	8	0.8%
14	Cyprus	6	0.6%
15	Singapore	6	0.6%
16	Russia	4	0.4%
17	Argentina	4	0.4%
18	Ireland	3	0.3%
19	Portugal	3	0.3%
20	United Kingdom	3	0.3%
21	Ukraine	2	0.2%
22	Sweden	2	0.2%
23	Malaysia	2	0.2%
24	Iran, Islamic Republic of	1	0.1%
25	Belgium	1	0.1%
26	Georgia	1	0.1%