Rank	Countries/Territories	Count	Percent
1	United States	554	33.3%
2	China	445	26.8%
3	Japan	112	6.7%
4	Germany	111	6.7%
5	United Kingdom	84	5.1%
6	France	41	2.5%
7	Russia	32	1.9%
8	Singapore	28	1.7%
9	Netherlands	28	1.7%
10	Korea, Republic of	24	1.4%
11	Iran, Islamic Republic of	22	1.3%
12	Canada	22	1.3%
13	Turkey	17	1%
14	India	14	0.8%
15	Italy	12	0.7%
16	Spain	10	0.6%
17	Cyprus	10	0.6%
18	Sweden	9	0.5%
19	Taiwan	8	0.5%
20	Greece	6	0.4%
21	Malaysia	6	0.4%
22	Luxembourg	5	0.3%
23	Hong Kong	5	0.3%
24	Ireland	4	0.2%
25	Pakistan	4	0.2%
26	Thailand	4	0.2%
27	Switzerland	4	0.2%
28	South Africa	4	0.2%
29	Egypt	3	0.2%
30	Chile	3	0.2%
31	Argentina	2	0.1%
32	Australia	2	0.1%
33	Austria	2	0.1%
34	Azerbaijan	2	0.1%
35	Belgium	2	0.1%
36	Estonia	2	0.1%
37	Czech Republic	2	0.1%
38	Poland	2	0.1%
39	Indonesia	2	0.1%
40	Saudi Arabia	2	0.1%
41	United Arab Emirates	2	0.1%
42	Israel	1	0.1%
43	Mongolia	1	0.1%
44	Portugal	1	0.1%
45	Puerto Rico	1	0.1%
46	Romania	1	0.1%
47	Palestine, State of	1	0.1%
48	New Zealand	1	0.1%
49	Georgia	1	0.1%
50	Colombia	1	0.1%