Rank	Countries/Territories	Count	Percent
1	United States	489	51.3%
2	China	198	20.8%
3	Germany	111	11.6%
4	India	46	4.8%
5	Japan	14	1.5%
6	United Kingdom	14	1.5%
7	Cyprus	10	1%
8	Australia	8	0.8%
9	Belgium	8	0.8%
10	Canada	8	0.8%
11	France	7	0.7%
12	Netherlands	6	0.6%
13	Hong Kong	3	0.3%
14	Korea, Republic of	3	0.3%
15	Indonesia	3	0.3%
16	Iran, Islamic Republic of	2	0.2%
17	Switzerland	2	0.2%
18	Taiwan	2	0.2%
19	Ukraine	2	0.2%
20	Egypt	2	0.2%
21	Norway	2	0.2%
22	Oman	2	0.2%
23	Philippines	2	0.2%
24	Romania	2	0.2%
25	Russia	2	0.2%
26	Singapore	1	0.1%
27	Sweden	1	0.1%
28	Brazil	1	0.1%
29	Denmark	1	0.1%
30	Malaysia	1	0.1%
31	Italy	1	0.1%