Rank	Countries/Territories	Count	Percent
1	United States	589	33.3%
2	China	461	26.1%
3	Germany	124	7%
4	France	70	4%
5	Japan	41	2.3%
6	Spain	29	1.6%
7	Russia	27	1.5%
8	India	23	1.3%
9	United Kingdom	22	1.2%
10	Italy	20	1.1%
11	Canada	20	1.1%
12	Brazil	19	1.1%
13	Switzerland	18	1%
14	Turkey	17	1%
15	Austria	17	1%
16	Romania	16	0.9%
17	Singapore	13	0.7%
18	Taiwan	13	0.7%
19	Korea, Republic of	13	0.7%
20	Pakistan	12	0.7%
21	Ireland	12	0.7%
22	Netherlands	10	0.6%
23	Thailand	10	0.6%
24	Sweden	9	0.5%
25	Egypt	9	0.5%
26	Australia	9	0.5%
27	Iran, Islamic Republic of	8	0.5%
28	Hungary	7	0.4%
29	Finland	7	0.4%
30	Israel	6	0.3%
31	Croatia	6	0.3%
32	Cyprus	6	0.3%
33	Viet Nam	6	0.3%
34	Mexico	6	0.3%
35	Poland	6	0.3%
36	Portugal	6	0.3%
37	Malaysia	5	0.3%
38	South Africa	5	0.3%
39	Czech Republic	5	0.3%
40	Argentina	4	0.2%
41	Indonesia	4	0.2%
42	Greece	4	0.2%
43	Saudi Arabia	4	0.2%
44	Ukraine	4	0.2%
45	Philippines	3	0.2%
46	Hong Kong	3	0.2%
47	Estonia	3	0.2%
48	Iraq	3	0.2%
49	Albania	3	0.2%
50	Denmark	3	0.2%
51	Chile	3	0.2%
52	Colombia	2	0.1%
53	Bulgaria	2	0.1%
54	Bangladesh	2	0.1%
55	Bosnia and Herzegovina	2	0.1%
56	Georgia	2	0.1%
57	Peru	2	0.1%
58	Lithuania	2	0.1%
59	Serbia	2	0.1%
60	Slovakia	2	0.1%
61	Slovenia	1	0.1%
62	Jordan	1	0.1%
63	Mongolia	1	0.1%
64	Norway	1	0.1%
65	Rwanda	1	0.1%
66	Azerbaijan	1	0.1%
67	Bahrain	1	0.1%