Rank	Countries/Territories	Count	Percent
1	United States	464	38.2%
2	China	418	34.4%
3	Germany	124	10.2%
4	Canada	57	4.7%
5	France	30	2.5%
6	India	17	1.4%
7	Japan	13	1.1%
8	Netherlands	12	1%
9	United Kingdom	7	0.6%
10	Korea, Republic of	7	0.6%
11	Cyprus	7	0.6%
12	Australia	6	0.5%
13	Ukraine	6	0.5%
14	Ireland	5	0.4%
15	Egypt	4	0.3%
16	Singapore	4	0.3%
17	Romania	4	0.3%
18	Russia	2	0.2%
19	Saudi Arabia	2	0.2%
20	Norway	2	0.2%
21	Philippines	2	0.2%
22	Switzerland	2	0.2%
23	Viet Nam	2	0.2%
24	Colombia	2	0.2%
25	Bangladesh	2	0.2%
26	Bulgaria	2	0.2%
27	Argentina	2	0.2%
28	Ghana	2	0.2%
29	Greece	1	0.1%
30	Jordan	1	0.1%
31	Ethiopia	1	0.1%
32	Syrian Arab Republic	1	0.1%
33	Taiwan	1	0.1%
34	Uganda	1	0.1%
35	Nigeria	1	0.1%
36	Sierra Leone	1	0.1%