Rank	Countries/Territories	Count	Percent
1	United States	621	44.1%
2	China	342	24.3%
3	Germany	128	9.1%
4	Japan	78	5.5%
5	France	70	5%
6	Canada	30	2.1%
7		28	2%
8	Singapore	16	1.1%
9	Croatia	14	1%
10	Netherlands	12	0.9%
11	United Kingdom	8	0.6%
12	Cyprus	8	0.6%
13	Switzerland	7	0.5%
14	Australia	6	0.4%
15	Hong Kong	6	0.4%
16	India	5	0.4%
17	Spain	5	0.4%
18	Romania	3	0.2%
19	Russia	2	0.1%
20	Pakistan	2	0.1%
21	Malaysia	2	0.1%
22	Mongolia	2	0.1%
23	Iran, Islamic Republic of	2	0.1%
24	Bangladesh	2	0.1%
25	Brazil	2	0.1%
26	Denmark	2	0.1%
27	Argentina	1	0.1%
28	Korea, Republic of	1	0.1%
29	Lao People's Democratic Republic	1	0.1%
30	Poland	1	0.1%