Rank	Countries/Territories	Count	Percent
1	United States	327	53.1%
2	China	144	23.4%
3	Germany	48	7.8%
4	France	21	3.4%
5	Canada	9	1.5%
6	Netherlands	8	1.3%
7	Taiwan	7	1.1%
8	India	7	1.1%
9	Australia	6	1%
10	Singapore	6	1%
11	Egypt	4	0.6%
12	Indonesia	3	0.5%
13	Russia	3	0.5%
14	South Africa	2	0.3%
15	Iran, Islamic Republic of	2	0.3%
16	Ireland	2	0.3%
17	Italy	2	0.3%
18	Hong Kong	2	0.3%
19	Malaysia	2	0.3%
20	Finland	2	0.3%
21	Argentina	2	0.3%
22	Colombia	2	0.3%
23	Cyprus	2	0.3%
24	Mongolia	1	0.2%
25	Japan	1	0.2%
26	Ukraine	1	0.2%