Rank	Countries/Territories	Count	Percent
1	United States	490	37.7%
2	China	402	30.9%
3	Germany	152	11.7%
4	Japan	81	6.2%
5	United Kingdom	19	1.5%
6	Australia	17	1.3%
7	Korea, Republic of	14	1.1%
8	Singapore	12	0.9%
9	Cyprus	12	0.9%
10	Netherlands	11	0.8%
11	Egypt	10	0.8%
12	France	10	0.8%
13	Ireland	9	0.7%
14	Portugal	7	0.5%
15	Taiwan	6	0.5%
16	Hong Kong	6	0.5%
17	Spain	4	0.3%
18	Norway	3	0.2%
19	India	3	0.2%
20	Italy	3	0.2%
21	Brazil	3	0.2%
22	Canada	3	0.2%
23	Ukraine	3	0.2%
24	Austria	2	0.2%
25	Israel	2	0.2%
26	Iran, Islamic Republic of	2	0.2%
27	Morocco	2	0.2%
28	New Zealand	2	0.2%
29	Syrian Arab Republic	2	0.2%
30	Thailand	2	0.2%
31	South Africa	2	0.2%
32	Russia	1	0.1%
33	Lithuania	1	0.1%
34	Mongolia	1	0.1%
35	Argentina	1	0.1%