Rank	Countries/Territories	Count	Percent
1	United States	289	36.3%
2	China	261	32.7%
3	Germany	75	9.4%
4	Singapore	17	2.1%
5	Ireland	16	2%
6	Spain	15	1.9%
7	Netherlands	13	1.6%
8	Canada	13	1.6%
9	Korea, Republic of	12	1.5%
10	Japan	11	1.4%
11	France	9	1.1%
12	Brazil	9	1.1%
13	Taiwan	8	1%
14	United Kingdom	5	0.6%
15	Mexico	4	0.5%
16	Cyprus	4	0.5%
17	Australia	4	0.5%
18	India	4	0.5%
19	Iran, Islamic Republic of	3	0.4%
20	Hong Kong	3	0.4%
21	Italy	3	0.4%
22	Sweden	3	0.4%
23	Poland	3	0.4%
24	Portugal	2	0.3%
25	Bangladesh	2	0.3%
26	Bolivia, Plurinational State of	2	0.3%
27	Algeria	2	0.3%
28	Argentina	2	0.3%
29	Russia	1	0.1%
30	Tunisia	1	0.1%
31	Ukraine	1	0.1%