Rank	Countries/Territories	Count	Percent
1	United States	491	40.3%
2	China	323	26.5%
3	Germany	91	7.5%
4	Australia	74	6.1%
5	France	38	3.1%
6	Canada	27	2.2%
7	Japan	26	2.1%
8	India	20	1.6%
9	United Kingdom	14	1.1%
10	Singapore	12	1%
11	Korea, Republic of	11	0.9%
12	Norway	10	0.8%
13	Russia	7	0.6%
14	Netherlands	7	0.6%
15	Ukraine	7	0.6%
16	Cyprus	7	0.6%
17	Ireland	5	0.4%
18	Italy	5	0.4%
19	Sweden	5	0.4%
20	Thailand	4	0.3%
21	Iran, Islamic Republic of	4	0.3%
22	Belgium	4	0.3%
23	Taiwan	3	0.2%
24	Romania	3	0.2%
25	South Africa	3	0.2%
26	New Zealand	3	0.2%
27	Saudi Arabia	2	0.2%
28	Slovakia	2	0.2%
29	Argentina	2	0.2%
30	Finland	2	0.2%
31	Jordan	2	0.2%
32	Israel	1	0.1%
33	Hong Kong	1	0.1%
34	Bulgaria	1	0.1%
35	Qatar	1	0.1%
36	Malaysia	1	0.1%