Rank	Countries/Territories	Count	Percent
1	United States	551	53.8%
2	China	233	22.8%
3	Germany	54	5.3%
4	Japan	53	5.2%
5	India	20	2%
6	Brazil	20	2%
7	Russia	18	1.8%
8	Canada	10	1%
9	Korea, Republic of	9	0.9%
10	United Kingdom	9	0.9%
11	Hong Kong	6	0.6%
12	Australia	5	0.5%
13	Pakistan	5	0.5%
14	Switzerland	4	0.4%
15	France	4	0.4%
16	Turkey	3	0.3%
17	Ukraine	2	0.2%
18	Portugal	2	0.2%
19	Singapore	2	0.2%
20	Argentina	2	0.2%
21	Iceland	2	0.2%
22	Israel	2	0.2%
23	Italy	2	0.2%
24	Ireland	1	0.1%
25	Lebanon	1	0.1%
26	Netherlands	1	0.1%
27	Nigeria	1	0.1%
28	Czech Republic	1	0.1%
29	Taiwan	1	0.1%