Rank	Countries/Territories	Count	Percent
1	United States	539	29%
2	China	401	21.6%
3	Germany	160	8.6%
4	United Kingdom	72	3.9%
5	Portugal	57	3.1%
6	Japan	51	2.7%
7	Kazakhstan	40	2.2%
8	Australia	38	2%
9	Korea, Republic of	37	2%
10	Indonesia	36	1.9%
11	France	29	1.6%
12	India	28	1.5%
13	Spain	27	1.5%
14	Sweden	23	1.2%
15	Netherlands	19	1%
16	Norway	17	0.9%
17	Malaysia	16	0.9%
18	Turkey	16	0.9%
19	Singapore	14	0.8%
20	Taiwan	13	0.7%
21	Poland	12	0.6%
22	Canada	12	0.6%
23	Colombia	11	0.6%
24	Belgium	11	0.6%
25	Denmark	10	0.5%
26	Greece	10	0.5%
27	Italy	10	0.5%
28	Iran, Islamic Republic of	9	0.5%
29	Ireland	9	0.5%
30	Cyprus	9	0.5%
31	Hong Kong	7	0.4%
32	Finland	6	0.3%
33	Pakistan	6	0.3%
34	United Arab Emirates	6	0.3%
35	Philippines	5	0.3%
36	Uganda	5	0.3%
37	South Africa	5	0.3%
38	Croatia	5	0.3%
39	Argentina	5	0.3%
40	Austria	5	0.3%
41	Brazil	4	0.2%
42	Hungary	4	0.2%
43	Iceland	4	0.2%
44	Serbia	4	0.2%
45	Russia	4	0.2%
46	Romania	3	0.2%
47	Armenia	3	0.2%
48	Bahrain	3	0.2%
49	Algeria	3	0.2%
50	Viet Nam	3	0.2%
51	Egypt	2	0.1%
52	Ethiopia	2	0.1%
53	Jamaica	2	0.1%
54	Kenya	2	0.1%
55	Thailand	2	0.1%
56	New Zealand	2	0.1%
57	Montenegro	2	0.1%
58	Lebanon	2	0.1%
59	Mauritius	1	0.1%
60	Mexico	1	0.1%
61	Mongolia	1	0.1%
62	Oman	1	0.1%
63	Peru	1	0.1%
64	Switzerland	1	0.1%
65	Sri Lanka	1	0.1%
66	Saudi Arabia	1	0.1%
67	Slovakia	1	0.1%
68	Israel	1	0.1%
69	Ghana	1	0.1%
70	Chile	1	0.1%
71	Bangladesh	1	0.1%
72	Cambodia	1	0.1%