Rank	Countries/Territories	Count	Percent
1	United States	316	31%
2	China	278	27.3%
3	Germany	105	10.3%
4	India	47	4.6%
5	Japan	42	4.1%
6	Netherlands	19	1.9%
7	Brazil	19	1.9%
8	Australia	18	1.8%
9	Singapore	18	1.8%
10	United Kingdom	17	1.7%
11	Norway	14	1.4%
12	Spain	12	1.2%
13	France	12	1.2%
14	Mexico	8	0.8%
15	Iran, Islamic Republic of	7	0.7%
16	Malaysia	6	0.6%
17	Egypt	6	0.6%
18	Cyprus	6	0.6%
19	Switzerland	6	0.6%
20	Ukraine	5	0.5%
21	Hong Kong	5	0.5%
22	Korea, Republic of	5	0.5%
23	South Africa	4	0.4%
24	Greece	4	0.4%
25	Ecuador	4	0.4%
26	Canada	4	0.4%
27	Taiwan	4	0.4%
28	Turkey	3	0.3%
29	Romania	3	0.3%
30	Italy	3	0.3%
31	New Zealand	2	0.2%
32	Ireland	2	0.2%
33	Russia	2	0.2%
34	Sri Lanka	2	0.2%
35	Croatia	2	0.2%
36	Denmark	2	0.2%
37	Ghana	1	0.1%
38	Czech Republic	1	0.1%
39	Argentina	1	0.1%
40	Senegal	1	0.1%
41	Poland	1	0.1%
42	Latvia	1	0.1%
43	Nigeria	1	0.1%