Rank	Countries/Territories	Count	Percent
1	United States	581	47%
2	China	344	27.8%
3	Germany	103	8.3%
4	France	63	5.1%
5	Singapore	14	1.1%
6	Japan	12	1%
7	Canada	10	0.8%
8	Philippines	9	0.7%
9	Netherlands	8	0.6%
10	Ukraine	8	0.6%
11	Cyprus	8	0.6%
12	Malaysia	7	0.6%
13	Australia	7	0.6%
14	Switzerland	7	0.6%
15	South Africa	6	0.5%
16	Norway	6	0.5%
17	United Kingdom	6	0.5%
18	Hong Kong	6	0.5%
19	Argentina	5	0.4%
20	Korea, Republic of	5	0.4%
21	Latvia	3	0.2%
22	Mexico	3	0.2%
23	Bangladesh	3	0.2%
24	Spain	3	0.2%
25	Taiwan	3	0.2%
26	Italy	2	0.2%
27	Brazil	1	0.1%
28	India	1	0.1%
29	Iran, Islamic Republic of	1	0.1%
30	Russia	1	0.1%