Rank	Countries/Territories	Count	Percent
1	United States	497	42.2%
2	China	312	26.5%
3	Germany	117	9.9%
4	Japan	44	3.7%
5	France	35	3%
6	India	26	2.2%
7	Australia	15	1.3%
8	Korea, Republic of	14	1.2%
9	Singapore	12	1%
10	Turkey	9	0.8%
11	United Kingdom	9	0.8%
12	Czech Republic	9	0.8%
13	Hong Kong	7	0.6%
14	Thailand	7	0.6%
15	Netherlands	7	0.6%
16	Russia	7	0.6%
17	Taiwan	6	0.5%
18	Italy	6	0.5%
19	Argentina	6	0.5%
20	Canada	5	0.4%
21	Cyprus	4	0.3%
22	Ecuador	3	0.3%
23	Bulgaria	3	0.3%
24	Iran, Islamic Republic of	3	0.3%
25	Egypt	2	0.2%
26	Romania	2	0.2%
27	Spain	2	0.2%
28	Saudi Arabia	2	0.2%
29	Norway	1	0.1%
30	Lithuania	1	0.1%
31	Mexico	1	0.1%
32	South Africa	1	0.1%
33	Belgium	1	0.1%
34	Ireland	1	0.1%
35	Greece	1	0.1%
36	Venezuela, Bolivarian Republic of	1	0.1%