Rank	Countries/Territories	Count	Percent
1	United States	381	48.7%
2	China	194	24.8%
3	Germany	74	9.5%
4	France	25	3.2%
5	Singapore	20	2.6%
6	Russia	13	1.7%
7	Korea, Republic of	10	1.3%
8	Australia	10	1.3%
9	Netherlands	7	0.9%
10	Cyprus	5	0.6%
11	Canada	4	0.5%
12	Argentina	3	0.4%
13	Belgium	3	0.4%
14	Ireland	3	0.4%
15	Japan	3	0.4%
16	Ukraine	3	0.4%
17	United Kingdom	2	0.3%
18	Philippines	2	0.3%
19	Saint Lucia	2	0.3%
20	Saudi Arabia	2	0.3%
21	Spain	2	0.3%
22	Taiwan	2	0.3%
23	Turkey	2	0.3%
24	Lithuania	2	0.3%
25	Hong Kong	2	0.3%
26	Hungary	1	0.1%
27	Indonesia	1	0.1%
28	Iran, Islamic Republic of	1	0.1%
29	Israel	1	0.1%
30	Egypt	1	0.1%
31	South Africa	1	0.1%
32	Viet Nam	1	0.1%