Rank	Countries/Territories	Count	Percent
1	United States	621	46.7%
2	China	195	14.7%
3	Germany	83	6.2%
4	India	81	6.1%
5	Italy	31	2.3%
6	Japan	29	2.2%
7	Canada	28	2.1%
8	Russia	27	2%
9	Netherlands	16	1.2%
10	France	14	1.1%
11	Korea, Republic of	13	1%
12	Spain	13	1%
13	Turkey	13	1%
14	Taiwan	12	0.9%
15	United Kingdom	12	0.9%
16	Brazil	11	0.8%
17	Australia	9	0.7%
18	Czech Republic	9	0.7%
19	Egypt	8	0.6%
20	Mexico	8	0.6%
21	Poland	8	0.6%
22	New Zealand	6	0.5%
23	Iran, Islamic Republic of	6	0.5%
24	Ireland	6	0.5%
25	Argentina	6	0.5%
26	Peru	5	0.4%
27	Hong Kong	5	0.4%
28	Chile	4	0.3%
29	Singapore	4	0.3%
30	Cyprus	4	0.3%
31	Switzerland	4	0.3%
32	South Africa	3	0.2%
33	Thailand	3	0.2%
34	Israel	3	0.2%
35	Kazakhstan	3	0.2%
36	Malaysia	3	0.2%
37	Mauritius	2	0.2%
38	Hungary	2	0.2%
39	Philippines	2	0.2%
40	Mongolia	2	0.2%
41	Croatia	2	0.2%
42	Austria	2	0.2%
43	Sweden	2	0.2%
44	Portugal	1	0.1%
45	Romania	1	0.1%
46	Ukraine	1	0.1%
47	United Arab Emirates	1	0.1%
48	Venezuela, Bolivarian Republic of	1	0.1%
49	Viet Nam	1	0.1%
50	Georgia	1	0.1%
51	Norway	1	0.1%
52	Oman	1	0.1%
53	Lithuania	1	0.1%