Rank	Countries/Territories	Count	Percent
1	United States	507	33.8%
2	China	469	31.2%
3	Japan	89	5.9%
4	Germany	61	4.1%
5	Brazil	52	3.5%
6	India	35	2.3%
7	Singapore	34	2.3%
8	Netherlands	24	1.6%
9	Ireland	23	1.5%
10	Korea, Republic of	18	1.2%
11	Russia	17	1.1%
12	United Kingdom	12	0.8%
13	Canada	12	0.8%
14	Australia	11	0.7%
15	Israel	11	0.7%
16	Poland	10	0.7%
17	Portugal	8	0.5%
18	France	8	0.5%
19	Argentina	8	0.5%
20	Hong Kong	7	0.5%
21	Italy	7	0.5%
22	Spain	7	0.5%
23	Sweden	6	0.4%
24	Iran, Islamic Republic of	6	0.4%
25	Bulgaria	6	0.4%
26	Indonesia	5	0.3%
27	Pakistan	5	0.3%
28	Mexico	5	0.3%
29	Costa Rica	4	0.3%
30	Turkey	4	0.3%
31	Ukraine	4	0.3%
32	Venezuela, Bolivarian Republic of	3	0.2%
33	Taiwan	3	0.2%
34	Czech Republic	2	0.1%
35	Denmark	2	0.1%
36	Lithuania	2	0.1%
37	Morocco	2	0.1%
38	Norway	1	0.1%
39	Malaysia	1	0.1%
40	Moldova, Republic of	1	0.1%
41	Latvia	1	0.1%
42	Kenya	1	0.1%
43	Ecuador	1	0.1%
44	Croatia	1	0.1%
45	Cyprus	1	0.1%
46	Austria	1	0.1%
47	Bangladesh	1	0.1%
48	Thailand	1	0.1%
49	South Africa	1	0.1%