Rank	Countries/Territories	Count	Percent
1	United States	428	34.9%
2	China	369	30.1%
3	Germany	90	7.3%
4	Japan	69	5.6%
5		59	4.8%
6	Singapore	38	3.1%
7	France	34	2.8%
8	Brazil	19	1.6%
9	Netherlands	15	1.2%
10	India	12	1%
11	Korea, Republic of	12	1%
12	Australia	9	0.7%
13	Ireland	9	0.7%
14	Romania	8	0.7%
15	Argentina	8	0.7%
16	Canada	6	0.5%
17	United Kingdom	6	0.5%
18	Taiwan	5	0.4%
19	Indonesia	4	0.3%
20	Turkey	3	0.2%
21	Chile	3	0.2%
22	Cyprus	3	0.2%
23	Hong Kong	3	0.2%
24	Mexico	2	0.2%
25	Nigeria	2	0.2%
26	Poland	2	0.2%
27	Switzerland	2	0.2%
28	Russia	1	0.1%
29	Iran, Islamic Republic of	1	0.1%
30	Mongolia	1	0.1%
31	Croatia	1	0.1%
32	Bangladesh	1	0.1%