Rank	Countries/Territories	Count	Percent
1	United States	156	32.8%
2	China	120	25.2%
3	Japan	63	13.2%
4	Germany	42	8.8%
5	Singapore	18	3.8%
6	France	14	2.9%
7	India	14	2.9%
8	Russia	12	2.5%
9	Canada	6	1.3%
10	Netherlands	6	1.3%
11	Cyprus	4	0.8%
12	Romania	3	0.6%
13	Turkey	3	0.6%
14	Thailand	2	0.4%
15	Sweden	2	0.4%
16	Norway	2	0.4%
17	Iran, Islamic Republic of	2	0.4%
18	Ireland	2	0.4%
19	Hong Kong	1	0.2%
20	Ecuador	1	0.2%
21	Austria	1	0.2%
22	Qatar	1	0.2%
23	Switzerland	1	0.2%