Rank	Countries/Territories	Count	Percent
1	United States	458	35%
2	China	325	24.8%
3	Germany	112	8.6%
4	France	51	3.9%
5	Brazil	41	3.1%
6	Japan	37	2.8%
7	United Kingdom	32	2.4%
8	Canada	27	2.1%
9	Netherlands	22	1.7%
10	Denmark	21	1.6%
11	India	14	1.1%
12	Iran, Islamic Republic of	11	0.8%
13	Sweden	10	0.8%
14	Taiwan	10	0.8%
15	Singapore	9	0.7%
16	Spain	9	0.7%
17	Cyprus	8	0.6%
18	Bulgaria	7	0.5%
19	Ireland	7	0.5%
20	Hong Kong	7	0.5%
21	Australia	6	0.5%
22	Indonesia	5	0.4%
23	Italy	5	0.4%
24	Iraq	5	0.4%
25	Nigeria	5	0.4%
26	Romania	5	0.4%
27	Mexico	4	0.3%
28	Korea, Republic of	4	0.3%
29	Pakistan	3	0.2%
30	New Zealand	3	0.2%
31	Egypt	3	0.2%
32	Cameroon	3	0.2%
33	Colombia	3	0.2%
34	Qatar	3	0.2%
35	Senegal	3	0.2%
36	Thailand	3	0.2%
37	Viet Nam	3	0.2%
38	Venezuela, Bolivarian Republic of	2	0.2%
39	Turkey	2	0.2%
40	Sri Lanka	2	0.2%
41	Chile	2	0.2%
42	Algeria	2	0.2%
43	Argentina	2	0.2%
44	Greece	2	0.2%
45	Ecuador	2	0.2%
46	Malaysia	2	0.2%
47	Kenya	1	0.1%
48	Peru	1	0.1%
49	Czech Republic	1	0.1%
50	South Africa	1	0.1%
51	Ukraine	1	0.1%
52	Tanzania, United Republic of	1	0.1%