Rank	Countries/Territories	Count	Percent
1	United States	422	33.3%
2	China	277	21.8%
3	Germany	86	6.8%
4	Canada	49	3.9%
5	Australia	46	3.6%
6	India	32	2.5%
7	Spain	29	2.3%
8	United Kingdom	23	1.8%
9	Japan	21	1.7%
10	Indonesia	14	1.1%
11	France	14	1.1%
12	New Zealand	14	1.1%
13	Iran, Islamic Republic of	11	0.9%
14	Mexico	10	0.8%
15	Cyprus	10	0.8%
16	South Africa	10	0.8%
17	Portugal	9	0.7%
18	Saudi Arabia	9	0.7%
19	Singapore	9	0.7%
20	Netherlands	8	0.6%
21	Brazil	8	0.6%
22	Ireland	8	0.6%
23	Colombia	7	0.6%
24	Egypt	6	0.5%
25	Bangladesh	6	0.5%
26	Moldova, Republic of	6	0.5%
27	Malaysia	6	0.5%
28	Kenya	6	0.5%
29	Philippines	6	0.5%
30	Viet Nam	6	0.5%
31	Thailand	6	0.5%
32	Pakistan	5	0.4%
33	Nepal	5	0.4%
34	Ghana	5	0.4%
35	Hong Kong	5	0.4%
36	Greece	4	0.3%
37	Finland	4	0.3%
38	Korea, Republic of	4	0.3%
39	Iraq	4	0.3%
40	Peru	4	0.3%
41	Romania	4	0.3%
42	Turkey	4	0.3%
43	Sweden	4	0.3%
44	Uganda	3	0.2%
45	Lithuania	3	0.2%
46	Morocco	3	0.2%
47	Croatia	3	0.2%
48	Austria	3	0.2%
49	Bosnia and Herzegovina	2	0.2%
50	Argentina	2	0.2%
51	Iceland	2	0.2%
52	Latvia	2	0.2%
53	Ukraine	2	0.2%
54	Switzerland	2	0.2%
55	Taiwan	2	0.2%
56	Poland	2	0.2%
57	Nigeria	1	0.1%
58	Norway	1	0.1%
59	Russia	1	0.1%
60	Qatar	1	0.1%
61	Slovakia	1	0.1%
62	Serbia	1	0.1%
63	Zambia	1	0.1%
64	Mongolia	1	0.1%
65	Israel	1	0.1%
66	Italy	1	0.1%
67	Jordan	1	0.1%
68	Chile	1	0.1%