Rank	Countries/Territories	Count	Percent
1	United States	443	46.3%
2	China	200	20.9%
3	Germany	144	15%
4	India	24	2.5%
5	Japan	22	2.3%
6	Russia	21	2.2%
7	United Kingdom	14	1.5%
8	Korea, Republic of	11	1.1%
9	Ireland	8	0.8%
10	Taiwan	7	0.7%
11	Netherlands	6	0.6%
12	Italy	6	0.6%
13	Indonesia	6	0.6%
14	Canada	6	0.6%
15	France	5	0.5%
16	Singapore	5	0.5%
17	Cyprus	4	0.4%
18	Hungary	3	0.3%
19	Spain	3	0.3%
20	Thailand	3	0.3%
21	Norway	2	0.2%
22	Iran, Islamic Republic of	2	0.2%
23	Egypt	2	0.2%
24	Colombia	2	0.2%
25	Bangladesh	2	0.2%
26	Australia	1	0.1%
27	Mongolia	1	0.1%
28	Poland	1	0.1%
29	Portugal	1	0.1%
30	Romania	1	0.1%
31	Ukraine	1	0.1%