Rank	Countries/Territories	Count	Percent
1	United States	340	48.9%
2	China	152	21.9%
3	Germany	56	8.1%
4	Russia	27	3.9%
5	United Kingdom	17	2.4%
6	Korea, Republic of	12	1.7%
7	France	10	1.4%
8	Canada	8	1.2%
9	Japan	8	1.2%
10	India	7	1%
11	Cyprus	5	0.7%
12	Singapore	5	0.7%
13	Netherlands	4	0.6%
14	Philippines	4	0.6%
15	Poland	4	0.6%
16	Viet Nam	4	0.6%
17	Italy	4	0.6%
18	Ireland	3	0.4%
19	Iran, Islamic Republic of	2	0.3%
20	Egypt	2	0.3%
21	Argentina	2	0.3%
22	Australia	2	0.3%
23	Austria	2	0.3%
24	Morocco	2	0.3%
25	Norway	2	0.3%
26	Slovenia	2	0.3%
27	Spain	2	0.3%
28	Switzerland	1	0.1%
29	Turkey	1	0.1%
30	Romania	1	0.1%
31	Cayman Islands	1	0.1%
32	Denmark	1	0.1%
33	Israel	1	0.1%
34	Mongolia	1	0.1%