Rank	Countries/Territories	Count	Percent
1	United States	154	41.1%
2	China	75	20%
3	Germany	50	13.3%
4	Japan	15	4%
5	Singapore	13	3.5%
6	Netherlands	11	2.9%
7	Canada	6	1.6%
8	Ireland	6	1.6%
9	Cyprus	6	1.6%
10	Spain	6	1.6%
11	Ukraine	4	1.1%
12	France	4	1.1%
13	Russia	4	1.1%
14	Pakistan	3	0.8%
15	Italy	3	0.8%
16	Greece	3	0.8%
17	Iran, Islamic Republic of	2	0.5%
18	Australia	2	0.5%
19	Philippines	2	0.5%
20	United Kingdom	2	0.5%
21	New Zealand	1	0.3%
22	Norway	1	0.3%
23	Lebanon	1	0.3%
24	Bulgaria	1	0.3%