Rank	Countries/Territories	Count	Percent
1	United States	418	44.8%
2	China	281	30.1%
3	Germany	116	12.4%
4	Canada	23	2.5%
5	France	16	1.7%
6	Netherlands	14	1.5%
7	Japan	12	1.3%
8	Singapore	9	1%
9	Cyprus	8	0.9%
10	Korea, Republic of	8	0.9%
11	Spain	6	0.6%
12	Hong Kong	4	0.4%
13	Australia	3	0.3%
14	Denmark	2	0.2%
15	Iran, Islamic Republic of	2	0.2%
16	Switzerland	2	0.2%
17	Turkey	2	0.2%
18	Palestine, State of	2	0.2%
19	Romania	2	0.2%
20	Russia	2	0.2%
21	Italy	1	0.1%
22	Mongolia	1	0.1%