Rank	Countries/Territories	Count	Percent
1	United States	621	39.3%
2	China	572	36.2%
3	Germany	152	9.6%
4	Japan	37	2.3%
5	Canada	32	2%
6	France	29	1.8%
7	Netherlands	27	1.7%
8	United Kingdom	22	1.4%
9	India	20	1.3%
10	Singapore	17	1.1%
11	Cyprus	10	0.6%
12	Poland	7	0.4%
13	Ireland	4	0.3%
14	Russia	4	0.3%
15	Korea, Republic of	3	0.2%
16	Mexico	2	0.1%
17	Moldova, Republic of	2	0.1%
18	Mongolia	2	0.1%
19	Cote D'ivoire	2	0.1%
20	Argentina	2	0.1%
21	Australia	2	0.1%
22	Sri Lanka	2	0.1%
23	Switzerland	2	0.1%
24	Taiwan	1	0.1%
25	South Africa	1	0.1%
26	Portugal	1	0.1%
27	Viet Nam	1	0.1%
28	Colombia	1	0.1%
29	Denmark	1	0.1%
30	Iran, Islamic Republic of	1	0.1%
31	Hong Kong	1	0.1%