Rank	Countries/Territories	Count	Percent
1	United States	328	35.8%
2	China	320	34.9%
3	Germany	91	9.9%
4	Japan	42	4.6%
5	France	34	3.7%
6	Singapore	20	2.2%
7	Netherlands	15	1.6%
8	India	10	1.1%
9	Korea, Republic of	7	0.8%
10	Hong Kong	6	0.7%
11	Egypt	4	0.4%
12	Switzerland	4	0.4%
13	Turkey	4	0.4%
14	Taiwan	3	0.3%
15	Cyprus	3	0.3%
16	Australia	3	0.3%
17	Belgium	3	0.3%
18	Argentina	2	0.2%
19	Indonesia	2	0.2%
20	Ireland	2	0.2%
21	Qatar	2	0.2%
22	Russia	2	0.2%
23	Spain	1	0.1%
24	Ukraine	1	0.1%
25	United Kingdom	1	0.1%
26	Viet Nam	1	0.1%
27	Mongolia	1	0.1%
28	Pakistan	1	0.1%
29	Poland	1	0.1%
30	Georgia	1	0.1%
31	Canada	1	0.1%