Rank	Countries/Territories	Count	Percent
1	United States	392	43.3%
2	China	284	31.3%
3	Germany	84	9.3%
4	Japan	39	4.3%
5	France	22	2.4%
6	Taiwan	10	1.1%
7	Singapore	9	1%
8	Korea, Republic of	9	1%
9	Russia	8	0.9%
10	Netherlands	6	0.7%
11	India	6	0.7%
12	Canada	4	0.4%
13	Portugal	4	0.4%
14	Spain	4	0.4%
15	Indonesia	3	0.3%
16	Ireland	3	0.3%
17	Hong Kong	2	0.2%
18	Liechtenstein	2	0.2%
19	Chile	2	0.2%
20	Australia	2	0.2%
21	Cyprus	2	0.2%
22	Switzerland	2	0.2%
23	Ukraine	2	0.2%
24	United Kingdom	1	0.1%
25	Norway	1	0.1%
26	Georgia	1	0.1%
27	Argentina	1	0.1%
28	Malaysia	1	0.1%