Rank	Countries/Territories	Count	Percent
1	China	201	50.6%
2	United States	116	29.2%
3	Korea, Republic of	11	2.8%
4	Singapore	10	2.5%
5	Australia	10	2.5%
6	Germany	6	1.5%
7	Hungary	6	1.5%
8	Ireland	6	1.5%
9	Japan	5	1.3%
10	France	5	1.3%
11	Pakistan	4	1%
12	India	4	1%
13	Netherlands	3	0.8%
14	Nigeria	2	0.5%
15	South Africa	2	0.5%
16	Iran, Islamic Republic of	2	0.5%
17	Bulgaria	2	0.5%
18	Egypt	1	0.3%
19	Hong Kong	1	0.3%