Rank	Countries/Territories	Count	Percent
1	United States	406	32%
2	China	320	25.2%
3	Germany	56	4.4%
4	France	45	3.5%
5	Norway	42	3.3%
6	United Kingdom	39	3.1%
7	Korea, Republic of	34	2.7%
8	Japan	31	2.4%
9	Canada	29	2.3%
10	India	21	1.7%
11	Netherlands	20	1.6%
12	Taiwan	19	1.5%
13	Indonesia	16	1.3%
14	Brazil	16	1.3%
15	Singapore	15	1.2%
16	Viet Nam	14	1.1%
17	Spain	13	1%
18	Australia	12	0.9%
19	Hong Kong	11	0.9%
20	Iran, Islamic Republic of	10	0.8%
21	Malaysia	9	0.7%
22	United Arab Emirates	8	0.6%
23	Russia	5	0.4%
24	Peru	5	0.4%
25	Israel	5	0.4%
26	Italy	5	0.4%
27	Cyprus	5	0.4%
28	Austria	4	0.3%
29		4	0.3%
30	Malta	4	0.3%
31	Qatar	4	0.3%
32	Turkey	4	0.3%
33	Portugal	3	0.2%
34	Slovenia	3	0.2%
35	Ireland	3	0.2%
36	Denmark	3	0.2%
37	Ecuador	2	0.2%
38	Egypt	2	0.2%
39	Bulgaria	2	0.2%
40	Nigeria	2	0.2%
41	Romania	2	0.2%
42	Philippines	2	0.2%
43	Sweden	2	0.2%
44	Thailand	1	0.1%
45	Tunisia	1	0.1%
46	South Africa	1	0.1%
47	Pakistan	1	0.1%
48	Mexico	1	0.1%
49	Jordan	1	0.1%
50	Kenya	1	0.1%
51	Chile	1	0.1%
52	Argentina	1	0.1%
53	Bangladesh	1	0.1%
54	Czech Republic	1	0.1%
55	Ghana	1	0.1%