Rank	Countries/Territories	Count	Percent
1	United States	471	45.7%
2	China	271	26.3%
3	Germany	106	10.3%
4	Japan	32	3.1%
5	Netherlands	19	1.8%
6	France	19	1.8%
7	Canada	19	1.8%
8	Korea, Republic of	16	1.6%
9	United Kingdom	12	1.2%
10	Russia	12	1.2%
11	Egypt	10	1%
12	Iran, Islamic Republic of	8	0.8%
13	Singapore	7	0.7%
14	Cyprus	5	0.5%
15	Australia	5	0.5%
16	Argentina	3	0.3%
17	Czech Republic	2	0.2%
18	Israel	2	0.2%
19	Mongolia	2	0.2%
20	Serbia	2	0.2%
21	India	2	0.2%
22	Ukraine	2	0.2%
23	Taiwan	1	0.1%
24	Romania	1	0.1%
25	Guatemala	1	0.1%
26	Brazil	1	0.1%