Rank	Countries/Territories	Count	Percent
1	United States	411	34.4%
2	China	375	31.4%
3	Germany	161	13.5%
4	Japan	36	3%
5	France	25	2.1%
6	India	20	1.7%
7	Singapore	19	1.6%
8	United Kingdom	17	1.4%
9	Netherlands	17	1.4%
10	Brazil	16	1.3%
11	Canada	14	1.2%
12	Austria	12	1%
13	Bulgaria	10	0.8%
14	Cyprus	8	0.7%
15	Australia	7	0.6%
16	Russia	6	0.5%
17	Ukraine	5	0.4%
18	Romania	4	0.3%
19	Norway	3	0.3%
20	Egypt	3	0.3%
21	Georgia	3	0.3%
22	Hong Kong	3	0.3%
23	Estonia	2	0.2%
24	Argentina	2	0.2%
25	Iraq	2	0.2%
26	Ireland	2	0.2%
27	Syrian Arab Republic	2	0.2%
28	Turkey	2	0.2%
29	Slovakia	1	0.1%
30	Israel	1	0.1%
31	Lithuania	1	0.1%
32	Mexico	1	0.1%
33	Mongolia	1	0.1%
34	Iran, Islamic Republic of	1	0.1%
35	Venezuela, Bolivarian Republic of	1	0.1%