Rank	Countries/Territories	Count	Percent
1	United States	364	32.6%
2	China	319	28.5%
3	Germany	166	14.8%
4	France	53	4.7%
5	Russia	47	4.2%
6	Japan	47	4.2%
7	Canada	17	1.5%
8	Singapore	14	1.3%
9	Cyprus	11	1%
10	Korea, Republic of	11	1%
11	Iran, Islamic Republic of	10	0.9%
12	Hong Kong	8	0.7%
13	Australia	7	0.6%
14	Egypt	6	0.5%
15	Netherlands	6	0.5%
16	Bangladesh	5	0.4%
17	India	5	0.4%
18	Ireland	5	0.4%
19	Saudi Arabia	3	0.3%
20	Switzerland	2	0.2%
21	Taiwan	2	0.2%
22	Mongolia	2	0.2%
23	Greece	2	0.2%
24	Argentina	2	0.2%
25	Colombia	1	0.1%
26	Italy	1	0.1%
27	Ukraine	1	0.1%
28	South Africa	1	0.1%