Rank	Countries/Territories	Count	Percent
1	United States	470	40.1%
2	China	404	34.4%
3	Germany	116	9.9%
4	Japan	39	3.3%
5	France	22	1.9%
6	Canada	21	1.8%
7	Taiwan	16	1.4%
8	Russia	10	0.9%
9	Singapore	10	0.9%
10	Korea, Republic of	10	0.9%
11	India	9	0.8%
12	Netherlands	7	0.6%
13	Australia	6	0.5%
14	Spain	4	0.3%
15	Portugal	4	0.3%
16	United Kingdom	3	0.3%
17	Indonesia	3	0.3%
18	Ireland	3	0.3%
19	Hong Kong	2	0.2%
20	Liechtenstein	2	0.2%
21	Chile	2	0.2%
22	Cyprus	2	0.2%
23	Switzerland	2	0.2%
24	Ukraine	2	0.2%
25	Norway	1	0.1%
26	Georgia	1	0.1%
27	Argentina	1	0.1%
28	Malaysia	1	0.1%