Rank	Countries/Territories	Count	Percent
1	United States	369	39.3%
2	China	167	17.8%
3	Germany	140	14.9%
4	Japan	72	7.7%
5	Netherlands	20	2.1%
6	Sweden	17	1.8%
7	United Kingdom	16	1.7%
8	Canada	14	1.5%
9	Singapore	13	1.4%
10	Norway	9	1%
11	Pakistan	8	0.9%
12	Philippines	8	0.9%
13	Australia	8	0.9%
14	Viet Nam	8	0.9%
15	Argentina	6	0.6%
16	France	6	0.6%
17	Hong Kong	6	0.6%
18	Russia	6	0.6%
19	Cyprus	5	0.5%
20	Ireland	4	0.4%
21	Korea, Republic of	4	0.4%
22	Belgium	3	0.3%
23	Finland	3	0.3%
24	South Africa	3	0.3%
25	Ethiopia	2	0.2%
26	India	2	0.2%
27	Honduras	2	0.2%
28	Croatia	2	0.2%
29	Nepal	2	0.2%
30	New Zealand	2	0.2%
31	Switzerland	2	0.2%
32	Taiwan	2	0.2%
33	Turkey	2	0.2%
34	Lithuania	1	0.1%
35	Mexico	1	0.1%
36	Mongolia	1	0.1%
37	Denmark	1	0.1%
38	Iran, Islamic Republic of	1	0.1%
39	Ghana	1	0.1%