Rank	Countries/Territories	Count	Percent
1	China	132	32.5%
2	United States	119	29.3%
3	Germany	41	10.1%
4	Singapore	20	4.9%
5	Japan	16	3.9%
6	Iran, Islamic Republic of	13	3.2%
7	Switzerland	12	3%
8	Hong Kong	10	2.5%
9	Korea, Republic of	6	1.5%
10	Netherlands	6	1.5%
11	Russia	5	1.2%
12	Italy	3	0.7%
13	Lithuania	3	0.7%
14	Cyprus	3	0.7%
15	Canada	3	0.7%
16	Brazil	2	0.5%
17	Argentina	2	0.5%
18	France	2	0.5%
19	Peru	2	0.5%
20	Philippines	2	0.5%
21	Norway	1	0.2%
22	Ireland	1	0.2%
23	Australia	1	0.2%
24	Turkey	1	0.2%