Rank	Countries/Territories	Count	Percent
1	United States	246	36.8%
2	China	167	25%
3	Germany	79	11.8%
4	Japan	68	10.2%
5	India	26	3.9%
6	Australia	12	1.8%
7	Singapore	10	1.5%
8	Senegal	7	1%
9	United Kingdom	6	0.9%
10	Mexico	6	0.9%
11	Spain	5	0.7%
12	Canada	4	0.6%
13	Netherlands	3	0.4%
14	Romania	2	0.3%
15	Saudi Arabia	2	0.3%
16	Slovakia	2	0.3%
17	Ukraine	2	0.3%
18	Chile	2	0.3%
19	Bangladesh	2	0.3%
20	Argentina	2	0.3%
21	Finland	2	0.3%
22	Mongolia	2	0.3%
23	Iran, Islamic Republic of	2	0.3%
24	Hong Kong	2	0.3%
25	Ireland	1	0.1%
26	Korea, Republic of	1	0.1%
27	Kuwait	1	0.1%
28	Cyprus	1	0.1%
29	Estonia	1	0.1%
30	Sweden	1	0.1%
31	Taiwan	1	0.1%
32	Thailand	1	0.1%