Rank	Countries/Territories	Count	Percent
1	United States	721	44.3%
2	China	546	33.5%
3	Germany	132	8.1%
4	France	43	2.6%
5	Canada	42	2.6%
6	Australia	29	1.8%
7	Netherlands	19	1.2%
8	Japan	11	0.7%
9	Cyprus	8	0.5%
10	Russia	7	0.4%
11	Taiwan	7	0.4%
12	Poland	6	0.4%
13	United Kingdom	6	0.4%
14	Hong Kong	6	0.4%
15	Iran, Islamic Republic of	6	0.4%
16	India	5	0.3%
17	Ukraine	5	0.3%
18	Latvia	4	0.2%
19	Bangladesh	4	0.2%
20	Algeria	3	0.2%
21	New Zealand	3	0.2%
22	Singapore	3	0.2%
23	Mongolia	3	0.2%
24	Lithuania	2	0.1%
25	Argentina	2	0.1%
26	Ecuador	1	0.1%
27	Norway	1	0.1%
28	Italy	1	0.1%
29	South Africa	1	0.1%
30	Spain	1	0.1%
31	Romania	1	0.1%