Rank	Countries/Territories	Count	Percent
1	United States	377	42.7%
2	China	239	27.1%
3	Germany	110	12.5%
4	Canada	35	4%
5	France	21	2.4%
6	Cyprus	12	1.4%
7	Netherlands	11	1.2%
8	India	10	1.1%
9	Japan	9	1%
10	Argentina	7	0.8%
11	Switzerland	6	0.7%
12	Russia	4	0.5%
13	United Kingdom	4	0.5%
14	Ireland	4	0.5%
15	Chile	3	0.3%
16	Singapore	3	0.3%
17	Thailand	3	0.3%
18	Norway	2	0.2%
19	Spain	2	0.2%
20	Sweden	2	0.2%
21	Australia	2	0.2%
22		2	0.2%
23	Italy	2	0.2%
24	Iran, Islamic Republic of	2	0.2%
25	Korea, Republic of	2	0.2%
26	Lithuania	2	0.2%
27	Malaysia	1	0.1%
28	Mongolia	1	0.1%
29	Bangladesh	1	0.1%
30	Romania	1	0.1%
31	Ukraine	1	0.1%
32	Viet Nam	1	0.1%