Rank	Countries/Territories	Count	Percent
1	United States	175	35.6%
2	China	100	20.3%
3	Germany	73	14.8%
4	Singapore	18	3.7%
5	Japan	17	3.5%
6	Ukraine	13	2.6%
7	Egypt	12	2.4%
8	India	11	2.2%
9	Korea, Republic of	7	1.4%
10	Russia	7	1.4%
11	Hong Kong	6	1.2%
12	Iran, Islamic Republic of	5	1%
13	Ireland	5	1%
14	France	5	1%
15	Netherlands	5	1%
16	Cyprus	4	0.8%
17	Australia	4	0.8%
18	Brazil	4	0.8%
19	Canada	4	0.8%
20	Argentina	3	0.6%
21	Viet Nam	3	0.6%
22	Nigeria	2	0.4%
23	Sri Lanka	2	0.4%
24	Sweden	2	0.4%
25	Uzbekistan	2	0.4%
26	Belgium	1	0.2%
27	Lebanon	1	0.2%
28	Mongolia	1	0.2%