Rank	Countries/Territories	Count	Percent
1	United States	309	36%
2	China	187	21.8%
3	Germany	55	6.4%
4	Japan	49	5.7%
5	Australia	42	4.9%
6	Sweden	28	3.3%
7	United Kingdom	20	2.3%
8	Italy	19	2.2%
9	Singapore	17	2%
10	Netherlands	10	1.2%
11	Taiwan	10	1.2%
12	Colombia	9	1%
13	Argentina	8	0.9%
14	India	7	0.8%
15	Turkey	7	0.8%
16	Portugal	7	0.8%
17	Iran, Islamic Republic of	6	0.7%
18	Korea, Republic of	6	0.7%
19	Denmark	6	0.7%
20	Egypt	6	0.7%
21	Cyprus	5	0.6%
22	Canada	5	0.6%
23	Malaysia	5	0.6%
24	Spain	5	0.6%
25	Romania	4	0.5%
26	France	4	0.5%
27	Austria	3	0.3%
28	Thailand	3	0.3%
29	Ukraine	2	0.2%
30	South Africa	2	0.2%
31	Latvia	2	0.2%
32	Ireland	2	0.2%
33	Viet Nam	2	0.2%
34	Hong Kong	1	0.1%
35	Lithuania	1	0.1%
36	Bangladesh	1	0.1%
37	Mauritius	1	0.1%
38	Mongolia	1	0.1%
39	Russia	1	0.1%
40	Switzerland	1	0.1%