Rank	Countries/Territories	Count	Percent
1	United States	421	46.2%
2	China	154	16.9%
3	Germany	97	10.6%
4	Canada	47	5.2%
5	United Kingdom	47	5.2%
6	Korea, Republic of	21	2.3%
7	Singapore	16	1.8%
8	France	15	1.6%
9	Portugal	10	1.1%
10	Netherlands	10	1.1%
11	Spain	8	0.9%
12	India	7	0.8%
13	Cyprus	7	0.8%
14	South Africa	6	0.7%
15	Taiwan	5	0.5%
16	Egypt	4	0.4%
17	Iran, Islamic Republic of	4	0.4%
18	Japan	4	0.4%
19	Hong Kong	3	0.3%
20	Malaysia	3	0.3%
21	Russia	3	0.3%
22	Saudi Arabia	2	0.2%
23	Macao	2	0.2%
24	Nigeria	2	0.2%
25	Norway	2	0.2%
26	Pakistan	2	0.2%
27	Australia	2	0.2%
28	Bangladesh	2	0.2%
29	Belgium	1	0.1%
30	Argentina	1	0.1%
31	Finland	1	0.1%
32	Iraq	1	0.1%
33	Ireland	1	0.1%
34	Ukraine	1	0.1%