Rank	Countries/Territories	Count	Percent
1	China	173	46.4%
2	United States	75	20.1%
3	Japan	37	9.9%
4	Germany	30	8%
5	Singapore	10	2.7%
6	Spain	6	1.6%
7	Netherlands	6	1.6%
8	Ireland	6	1.6%
9	Norway	4	1.1%
10	Taiwan	4	1.1%
11	Italy	3	0.8%
12	Cyprus	3	0.8%
13	Belgium	3	0.8%
14	Australia	2	0.5%
15	Ukraine	2	0.5%
16	Philippines	2	0.5%
17	Romania	2	0.5%
18	Russia	2	0.5%
19	France	1	0.3%
20	Iran, Islamic Republic of	1	0.3%
21	Korea, Republic of	1	0.3%