Rank	Countries/Territories	Count	Percent
1	United States	598	37.3%
2	China	497	31%
3	Germany	134	8.4%
4	Australia	70	4.4%
5	Japan	62	3.9%
6	France	46	2.9%
7	Canada	40	2.5%
8	Russia	39	2.4%
9	Ukraine	20	1.2%
10	Singapore	19	1.2%
11	Netherlands	11	0.7%
12	Korea, Republic of	10	0.6%
13	Cyprus	9	0.6%
14	Denmark	6	0.4%
15	Argentina	6	0.4%
16	Latvia	4	0.2%
17	India	4	0.2%
18	Iran, Islamic Republic of	4	0.2%
19	United Kingdom	3	0.2%
20	Switzerland	3	0.2%
21	Viet Nam	2	0.1%
22	Norway	2	0.1%
23	South Africa	2	0.1%
24	Kazakhstan	2	0.1%
25	Mongolia	2	0.1%
26	Austria	2	0.1%
27	Brazil	2	0.1%
28	Hong Kong	1	0.1%
29	Malaysia	1	0.1%
30	Italy	1	0.1%