Rank	Countries/Territories	Count	Percent
1	United States	427	38.3%
2	China	328	29.4%
3	Germany	77	6.9%
4	France	37	3.3%
5	Japan	33	3%
6	Canada	33	3%
7	Netherlands	30	2.7%
8		25	2.2%
9	Korea, Republic of	15	1.3%
10	United Kingdom	14	1.3%
11	Singapore	11	1%
12	Taiwan	9	0.8%
13	India	9	0.8%
14	Cyprus	7	0.6%
15	Ireland	7	0.6%
16	Switzerland	7	0.6%
17	Spain	6	0.5%
18	Australia	6	0.5%
19	Hong Kong	4	0.4%
20	Sweden	4	0.4%
21	Russia	3	0.3%
22	Argentina	3	0.3%
23	Egypt	3	0.3%
24	Belgium	3	0.3%
25	Iran, Islamic Republic of	2	0.2%
26	New Zealand	2	0.2%
27	Qatar	2	0.2%
28	Turkey	2	0.2%
29	Ukraine	2	0.2%
30	Serbia	1	0.1%
31	South Africa	1	0.1%
32	Indonesia	1	0.1%
33	Austria	1	0.1%