Rank	Countries/Territories	Count	Percent
1	United States	448	39.2%
2	China	308	26.9%
3	Germany	117	10.2%
4	India	100	8.7%
5	France	27	2.4%
6	Japan	22	1.9%
7	Netherlands	16	1.4%
8	Korea, Republic of	9	0.8%
9	Canada	9	0.8%
10	Singapore	7	0.6%
11	Spain	7	0.6%
12	Ukraine	7	0.6%
13	Switzerland	6	0.5%
14	United Kingdom	6	0.5%
15	Cyprus	6	0.5%
16	Mexico	5	0.4%
17	Ireland	5	0.4%
18	Turkey	5	0.4%
19	Russia	4	0.3%
20	Iran, Islamic Republic of	4	0.3%
21	Australia	4	0.3%
22	Brazil	4	0.3%
23	Ethiopia	3	0.3%
24	Hong Kong	3	0.3%
25	South Africa	3	0.3%
26	Denmark	2	0.2%
27	Israel	2	0.2%
28	Norway	2	0.2%
29	Romania	1	0.1%
30	Italy	1	0.1%
31	United Arab Emirates	1	0.1%