Rank	Countries/Territories	Count	Percent
1	United States	234	33.1%
2	China	135	19.1%
3	Germany	78	11%
4	Australia	61	8.6%
5	Japan	34	4.8%
6	Taiwan	21	3%
7	Korea, Republic of	18	2.5%
8	India	16	2.3%
9	Ireland	12	1.7%
10	Mexico	9	1.3%
11	United Kingdom	9	1.3%
12	Portugal	9	1.3%
13	Singapore	9	1.3%
14	Canada	9	1.3%
15	Netherlands	6	0.8%
16	Cyprus	5	0.7%
17	Egypt	4	0.6%
18	Ecuador	3	0.4%
19	Spain	3	0.4%
20	Ukraine	3	0.4%
21	Indonesia	3	0.4%
22	Iran, Islamic Republic of	2	0.3%
23	Thailand	2	0.3%
24	Turkey	2	0.3%
25	Philippines	2	0.3%
26	Poland	2	0.3%
27	Denmark	2	0.3%
28	Chile	2	0.3%
29	Belgium	2	0.3%
30	Bosnia and Herzegovina	1	0.1%
31	Bangladesh	1	0.1%
32	Colombia	1	0.1%
33	Argentina	1	0.1%
34	France	1	0.1%
35	Hong Kong	1	0.1%
36	Israel	1	0.1%
37	Nepal	1	0.1%
38	Kenya	1	0.1%
39	Viet Nam	1	0.1%