Rank	Countries/Territories	Count	Percent
1	United States	118	31.9%
2	China	117	31.6%
3	Germany	50	13.5%
4	Japan	17	4.6%
5	Canada	11	3%
6	France	7	1.9%
7	Korea, Republic of	7	1.9%
8	Ireland	6	1.6%
9	Netherlands	6	1.6%
10	India	6	1.6%
11	Cyprus	4	1.1%
12	Singapore	3	0.8%
13	Italy	2	0.5%
14	Bangladesh	2	0.5%
15	Iran, Islamic Republic of	2	0.5%
16	Viet Nam	2	0.5%
17	Tunisia	2	0.5%
18	Ukraine	2	0.5%
19	Serbia	2	0.5%
20	Argentina	1	0.3%
21	Nepal	1	0.3%
22	Sweden	1	0.3%
23	Russia	1	0.3%