Rank	Countries/Territories	Count	Percent
1	United States	199	42.9%
2	China	139	30%
3	Germany	32	6.9%
4	Japan	17	3.7%
5	Netherlands	10	2.2%
6	Singapore	9	1.9%
7	India	8	1.7%
8	Korea, Republic of	6	1.3%
9	France	4	0.9%
10	Cyprus	4	0.9%
11	Russia	4	0.9%
12	Saudi Arabia	3	0.6%
13	Virgin Islands, British	3	0.6%
14	Iran, Islamic Republic of	3	0.6%
15	Ireland	2	0.4%
16	Egypt	2	0.4%
17	Canada	2	0.4%
18	Chile	2	0.4%
19	Poland	2	0.4%
20	Taiwan	2	0.4%
21	Thailand	2	0.4%
22	Ukraine	2	0.4%
23	United Kingdom	2	0.4%
24	Switzerland	1	0.2%
25	Norway	1	0.2%
26	Latvia	1	0.2%
27	Mongolia	1	0.2%
28	Italy	1	0.2%