Rank	Countries/Territories	Count	Percent
1	United States	570	37.5%
2	China	441	29.1%
3	Germany	136	9%
4	Singapore	127	8.4%
5	France	43	2.8%
6	Canada	30	2%
7	Japan	26	1.7%
8	Netherlands	26	1.7%
9	Argentina	22	1.4%
10	India	18	1.2%
11	Australia	13	0.9%
12	Korea, Republic of	9	0.6%
13	Norway	6	0.4%
14	Ireland	6	0.4%
15	Pakistan	5	0.3%
16	Sweden	5	0.3%
17	Cyprus	5	0.3%
18	Egypt	5	0.3%
19	United Kingdom	3	0.2%
20	Turkey	2	0.1%
21	South Africa	2	0.1%
22	Romania	2	0.1%
23	Bangladesh	2	0.1%
24	Brazil	2	0.1%
25	Latvia	2	0.1%
26	Iran, Islamic Republic of	2	0.1%
27	Guatemala	2	0.1%
28	Hong Kong	2	0.1%
29	Mongolia	1	0.1%
30	Russia	1	0.1%
31	Taiwan	1	0.1%
32	Ukraine	1	0.1%