Rank	Countries/Territories	Count	Percent
1	United States	345	42.9%
2	China	204	25.3%
3	Germany	102	12.7%
4	Japan	17	2.1%
5	India	16	2%
6	Singapore	10	1.2%
7		10	1.2%
8	Korea, Republic of	9	1.1%
9	Australia	8	1%
10	Canada	8	1%
11	Belgium	7	0.9%
12	Argentina	6	0.7%
13	Turkey	6	0.7%
14	Netherlands	6	0.7%
15	United Kingdom	5	0.6%
16	Hong Kong	5	0.6%
17	Venezuela, Bolivarian Republic of	4	0.5%
18	France	4	0.5%
19	Russia	4	0.5%
20	Norway	3	0.4%
21	Malaysia	3	0.4%
22	Albania	3	0.4%
23	Brazil	2	0.2%
24	Cyprus	2	0.2%
25	Syrian Arab Republic	2	0.2%
26	Spain	2	0.2%
27	Switzerland	1	0.1%
28	Uzbekistan	1	0.1%
29	Palestine, State of	1	0.1%
30	Qatar	1	0.1%
31	Romania	1	0.1%
32	Ireland	1	0.1%
33	Italy	1	0.1%
34	Denmark	1	0.1%
35	Finland	1	0.1%
36	Moldova, Republic of	1	0.1%
37	Colombia	1	0.1%
38	Croatia	1	0.1%