Rank	Countries/Territories	Count	Percent
1	United States	715	43.6%
2	China	319	19.5%
3	Japan	157	9.6%
4	Germany	62	3.8%
5	United Kingdom	40	2.4%
6	Singapore	33	2%
7	Australia	29	1.8%
8	Canada	24	1.5%
9	Ireland	24	1.5%
10	India	23	1.4%
11	Netherlands	19	1.2%
12	Korea, Republic of	14	0.9%
13	Indonesia	13	0.8%
14	Peru	12	0.7%
15	Brazil	10	0.6%
16	Russia	9	0.5%
17	Taiwan	8	0.5%
18	Thailand	8	0.5%
19	France	8	0.5%
20	Bulgaria	7	0.4%
21	Hong Kong	6	0.4%
22	Malaysia	6	0.4%
23	South Africa	6	0.4%
24	Sweden	5	0.3%
25	Viet Nam	5	0.3%
26	Egypt	5	0.3%
27	Ethiopia	4	0.2%
28	Colombia	4	0.2%
29	Bahrain	4	0.2%
30	Moldova, Republic of	4	0.2%
31	Iran, Islamic Republic of	4	0.2%
32	Norway	4	0.2%
33	Greece	3	0.2%
34	Guatemala	3	0.2%
35	Argentina	3	0.2%
36	Cyprus	2	0.1%
37	Ecuador	2	0.1%
38	Mexico	2	0.1%
39	Israel	2	0.1%
40	Italy	2	0.1%
41	Oman	2	0.1%
42	Pakistan	2	0.1%
43	Morocco	2	0.1%
44	New Zealand	2	0.1%
45	Turkey	2	0.1%
46	Venezuela, Bolivarian Republic of	1	0.1%
47	Tunisia	1	0.1%
48	Tanzania, United Republic of	1	0.1%
49	Niger	1	0.1%
50	Nigeria	1	0.1%
51	Nepal	1	0.1%
52	Switzerland	1	0.1%
53	Romania	1	0.1%
54	Spain	1	0.1%
55	Sri Lanka	1	0.1%
56	Kenya	1	0.1%
57	Mongolia	1	0.1%
58	Iraq	1	0.1%
59	Chile	1	0.1%
60	Algeria	1	0.1%
61	Cameroon	1	0.1%
62	Barbados	1	0.1%
63	Belgium	1	0.1%
64	Bolivia, Plurinational State of	1	0.1%