Rank	Countries/Territories	Count	Percent
1	United States	460	41.7%
2	China	354	32.1%
3	Germany	92	8.3%
4		43	3.9%
5	Japan	20	1.8%
6	France	14	1.3%
7	Saudi Arabia	14	1.3%
8	Switzerland	12	1.1%
9	Australia	12	1.1%
10	Netherlands	10	0.9%
11	Cyprus	8	0.7%
12	India	8	0.7%
13	Singapore	6	0.5%
14	Peru	5	0.5%
15	Turkey	4	0.4%
16	Iran, Islamic Republic of	4	0.4%
17	Ireland	3	0.3%
18	Egypt	3	0.3%
19	Canada	3	0.3%
20	Argentina	3	0.3%
21	Denmark	2	0.2%
22	Hong Kong	2	0.2%
23	Korea, Republic of	2	0.2%
24	Ukraine	2	0.2%
25	United Kingdom	2	0.2%
26	Romania	2	0.2%
27	Russia	2	0.2%
28	Norway	2	0.2%
29	Pakistan	2	0.2%
30	Spain	2	0.2%
31	Viet Nam	2	0.2%
32	Lithuania	1	0.1%
33	Jordan	1	0.1%