Rank	Countries/Territories	Count	Percent
1	United States	580	33.5%
2	China	443	25.6%
3	Germany	102	5.9%
4	Japan	64	3.7%
5	India	46	2.7%
6	United Kingdom	42	2.4%
7	Canada	39	2.3%
8	Australia	38	2.2%
9	Netherlands	30	1.7%
10	Singapore	26	1.5%
11	France	24	1.4%
12	Russia	21	1.2%
13	Saudi Arabia	21	1.2%
14	Puerto Rico	18	1%
15	Italy	17	1%
16	Thailand	16	0.9%
17	Ireland	15	0.9%
18	Korea, Republic of	13	0.8%
19	Brazil	13	0.8%
20	Philippines	11	0.6%
21	Hong Kong	9	0.5%
22	Indonesia	9	0.5%
23	Taiwan	8	0.5%
24	Spain	7	0.4%
25	Malaysia	7	0.4%
26	Cyprus	7	0.4%
27	Argentina	6	0.3%
28	South Africa	6	0.3%
29	Romania	5	0.3%
30	Pakistan	5	0.3%
31	Turkey	5	0.3%
32	Ukraine	5	0.3%
33	Egypt	5	0.3%
34	Mexico	5	0.3%
35	Hungary	4	0.2%
36	Viet Nam	4	0.2%
37	Peru	3	0.2%
38	Syrian Arab Republic	3	0.2%
39	Greece	3	0.2%
40	Ethiopia	3	0.2%
41	Chile	3	0.2%
42	Lithuania	3	0.2%
43	Mozambique	3	0.2%
44	New Zealand	2	0.1%
45	Iran, Islamic Republic of	2	0.1%
46	Lebanon	2	0.1%
47	Colombia	2	0.1%
48	Croatia	2	0.1%
49	Bulgaria	2	0.1%
50	Austria	2	0.1%
51	Bangladesh	2	0.1%
52	Portugal	2	0.1%
53	Paraguay	2	0.1%
54	Palestine, State of	1	0.1%
55	Poland	1	0.1%
56	Sri Lanka	1	0.1%
57	Sweden	1	0.1%
58	United Arab Emirates	1	0.1%
59	Venezuela, Bolivarian Republic of	1	0.1%
60	Cambodia	1	0.1%
61	Guatemala	1	0.1%
62	Jordan	1	0.1%
63	Kazakhstan	1	0.1%
64	Mongolia	1	0.1%
65	Morocco	1	0.1%