Rank	Countries/Territories	Count	Percent
1	United States	604	38.8%
2	China	550	35.3%
3	Germany	160	10.3%
4	France	35	2.2%
5		35	2.2%
6	Japan	30	1.9%
7	Singapore	23	1.5%
8	United Kingdom	20	1.3%
9	Netherlands	17	1.1%
10	Canada	17	1.1%
11	Cyprus	10	0.6%
12	Iran, Islamic Republic of	10	0.6%
13	Korea, Republic of	8	0.5%
14	Latvia	7	0.4%
15	Russia	4	0.3%
16	South Africa	3	0.2%
17	Spain	3	0.2%
18	Hong Kong	3	0.2%
19	Mongolia	2	0.1%
20	Argentina	2	0.1%
21	Bangladesh	2	0.1%
22	Bulgaria	2	0.1%
23	Sweden	2	0.1%
24	Syrian Arab Republic	2	0.1%
25	Ukraine	2	0.1%
26	Australia	1	0.1%
27	India	1	0.1%
28	Guatemala	1	0.1%