Rank	Countries/Territories	Count	Percent
1	United States	515	45.4%
2	China	277	24.4%
3	Germany	117	10.3%
4	France	33	2.9%
5	Canada	26	2.3%
6	Japan	24	2.1%
7	India	18	1.6%
8	Netherlands	16	1.4%
9	United Kingdom	12	1.1%
10	Taiwan	9	0.8%
11	Singapore	8	0.7%
12	Korea, Republic of	8	0.7%
13	Trinidad and Tobago	7	0.6%
14	Cyprus	7	0.6%
15	Ireland	5	0.4%
16	Australia	4	0.4%
17	Mauritius	4	0.4%
18	Mexico	4	0.4%
19	Russia	4	0.4%
20	Malaysia	3	0.3%
21	Portugal	3	0.3%
22	Viet Nam	3	0.3%
23	Brazil	3	0.3%
24	Italy	3	0.3%
25	Iran, Islamic Republic of	3	0.3%
26	Hong Kong	2	0.2%
27	Argentina	2	0.2%
28	Bangladesh	2	0.2%
29	Costa Rica	2	0.2%
30	Ukraine	2	0.2%
31	Sweden	2	0.2%
32	Saudi Arabia	2	0.2%
33	Norway	2	0.2%
34	Mongolia	1	0.1%
35	Guatemala	1	0.1%