Rank	Countries/Territories	Count	Percent
1	United States	337	35.4%
2	China	265	27.8%
3	Germany	100	10.5%
4	Australia	48	5%
5	Japan	42	4.4%
6	Korea, Republic of	25	2.6%
7	Canada	21	2.2%
8	Argentina	19	2%
9	France	17	1.8%
10	Singapore	13	1.4%
11	Russia	9	0.9%
12	Netherlands	8	0.8%
13	Hong Kong	6	0.6%
14	India	6	0.6%
15	Cyprus	5	0.5%
16	Greece	4	0.4%
17	Ireland	3	0.3%
18	Jordan	3	0.3%
19	Saudi Arabia	3	0.3%
20	Taiwan	3	0.3%
21	Latvia	2	0.2%
22	Italy	2	0.2%
23	Iran, Islamic Republic of	2	0.2%
24	Israel	1	0.1%
25	Bangladesh	1	0.1%
26	Mongolia	1	0.1%
27	Pakistan	1	0.1%
28	Palestine, State of	1	0.1%
29	Romania	1	0.1%
30	Thailand	1	0.1%
31	Turkey	1	0.1%
32	United Kingdom	1	0.1%
33	Switzerland	1	0.1%