Rank	Countries/Territories	Count	Percent
1	United States	532	41.5%
2	China	479	37.4%
3	Germany	114	8.9%
4	France	45	3.5%
5	Russia	14	1.1%
6	Singapore	14	1.1%
7	Netherlands	13	1%
8	Canada	13	1%
9	Switzerland	10	0.8%
10	Japan	7	0.5%
11	Korea, Republic of	6	0.5%
12	Cyprus	6	0.5%
13	Hong Kong	6	0.5%
14	India	6	0.5%
15	Lithuania	4	0.3%
16	Iran, Islamic Republic of	3	0.2%
17	Ireland	3	0.2%
18	Italy	2	0.2%
19	United Kingdom	2	0.2%
20	Argentina	1	0.1%
21	Turkey	1	0.1%
22	Sweden	1	0.1%