Rank	Countries/Territories	Count	Percent
1	United States	549	28.1%
2	China	418	21.4%
3	Germany	143	7.3%
4	Turkey	138	7.1%
5	United Kingdom	98	5%
6	Japan	52	2.7%
7	Indonesia	51	2.6%
8	Canada	48	2.5%
9	Australia	38	1.9%
10	Greece	38	1.9%
11	India	36	1.8%
12	Netherlands	35	1.8%
13	Iran, Islamic Republic of	31	1.6%
14	Malaysia	23	1.2%
15	Korea, Republic of	14	0.7%
16	Mexico	13	0.7%
17	France	13	0.7%
18	Ireland	12	0.6%
19	Russia	12	0.6%
20	Singapore	10	0.5%
21	Sweden	10	0.5%
22	South Africa	8	0.4%
23	Latvia	8	0.4%
24	Poland	8	0.4%
25	Hong Kong	8	0.4%
26	Italy	7	0.4%
27	Cyprus	7	0.4%
28	Spain	7	0.4%
29	Ukraine	7	0.4%
30	Taiwan	7	0.4%
31	Thailand	7	0.4%
32	Switzerland	6	0.3%
33	Portugal	6	0.3%
34	Libya	6	0.3%
35	Colombia	6	0.3%
36	Egypt	5	0.3%
37	Guatemala	5	0.3%
38	Pakistan	5	0.3%
39	Viet Nam	5	0.3%
40	Uganda	4	0.2%
41	Syrian Arab Republic	4	0.2%
42	Argentina	4	0.2%
43	Cameroon	4	0.2%
44	Denmark	3	0.2%
45	Brazil	3	0.2%
46	Slovakia	3	0.2%
47	Saudi Arabia	3	0.2%
48	New Zealand	3	0.2%
49	Venezuela, Bolivarian Republic of	2	0.1%
50	Austria	2	0.1%
51	Ecuador	2	0.1%
52	Georgia	2	0.1%
53	Czech Republic	2	0.1%
54	Iraq	2	0.1%
55	Ghana	1	0.1%
56	Kenya	1	0.1%
57	Mongolia	1	0.1%
58	Morocco	1	0.1%
59	Bangladesh	1	0.1%
60	Cote D'ivoire	1	0.1%
61	Croatia	1	0.1%
62	Uruguay	1	0.1%
63	Nigeria	1	0.1%
64	Slovenia	1	0.1%