Rank	Countries/Territories	Count	Percent
1	United States	328	35%
2	China	293	31.3%
3	Germany	138	14.7%
4	Japan	41	4.4%
5	Canada	27	2.9%
6	Netherlands	17	1.8%
7	Singapore	16	1.7%
8	France	11	1.2%
9	Mexico	10	1.1%
10	Australia	8	0.9%
11	Hong Kong	7	0.7%
12	South Africa	5	0.5%
13	Switzerland	5	0.5%
14	Cyprus	4	0.4%
15	Greece	3	0.3%
16	Ukraine	3	0.3%
17	Spain	3	0.3%
18	United Kingdom	2	0.2%
19	Hungary	2	0.2%
20	Italy	2	0.2%
21	Colombia	2	0.2%
22	Bangladesh	2	0.2%
23	Argentina	2	0.2%
24	Korea, Republic of	1	0.1%
25	Malaysia	1	0.1%
26	India	1	0.1%
27	Norway	1	0.1%
28	Romania	1	0.1%
29	Russia	1	0.1%