Rank	Countries/Territories	Count	Percent
1	United States	512	45.1%
2	China	304	26.8%
3	Germany	105	9.3%
4	France	28	2.5%
5	Australia	21	1.9%
6	Switzerland	16	1.4%
7	Japan	14	1.2%
8	India	13	1.1%
9	Netherlands	11	1%
10	Korea, Republic of	10	0.9%
11	Brazil	7	0.6%
12	Portugal	7	0.6%
13	Malaysia	7	0.6%
14	Turkey	7	0.6%
15	United Kingdom	7	0.6%
16	Ukraine	6	0.5%
17	Singapore	6	0.5%
18	Argentina	6	0.5%
19	Cyprus	6	0.5%
20	Mongolia	5	0.4%
21	Canada	4	0.4%
22	Latvia	4	0.4%
23	Iran, Islamic Republic of	3	0.3%
24	Hong Kong	3	0.3%
25	Romania	3	0.3%
26	Russia	3	0.3%
27	Thailand	3	0.3%
28	Taiwan	2	0.2%
29	Sweden	2	0.2%
30	Israel	2	0.2%
31	Italy	2	0.2%
32	Austria	2	0.2%
33	Bangladesh	2	0.2%
34	Indonesia	1	0.1%