Rank	Countries/Territories	Count	Percent
1	United States	337	35%
2	China	315	32.7%
3	Germany	96	10%
4	Australia	63	6.5%
5	France	37	3.8%
6	Canada	13	1.3%
7	Japan	13	1.3%
8	United Kingdom	13	1.3%
9	Singapore	11	1.1%
10	Korea, Republic of	10	1%
11	Switzerland	8	0.8%
12	Turkey	8	0.8%
13	Netherlands	6	0.6%
14	Argentina	4	0.4%
15	Estonia	3	0.3%
16	Mexico	3	0.3%
17	Moldova, Republic of	3	0.3%
18	India	2	0.2%
19	Cyprus	2	0.2%
20	Egypt	2	0.2%
21	Bangladesh	2	0.2%
22	Taiwan	2	0.2%
23	Slovakia	2	0.2%
24	Slovenia	2	0.2%
25	Viet Nam	2	0.2%
26	Ukraine	1	0.1%
27	Indonesia	1	0.1%
28	Ireland	1	0.1%
29	Latvia	1	0.1%