Rank	Countries/Territories	Count	Percent
1	China	276	42.2%
2	United States	218	33.3%
3	Germany	60	9.2%
4		18	2.8%
5	Japan	14	2.1%
6	Canada	11	1.7%
7	Iran, Islamic Republic of	9	1.4%
8	Singapore	8	1.2%
9	France	6	0.9%
10	Taiwan	5	0.8%
11	Ukraine	5	0.8%
12	Netherlands	5	0.8%
13	Cyprus	4	0.6%
14	Ireland	2	0.3%
15	Brazil	2	0.3%
16	Australia	2	0.3%
17	New Zealand	2	0.3%
18	Norway	2	0.3%
19	Russia	2	0.3%
20	United Kingdom	2	0.3%
21	Bangladesh	1	0.2%