Rank	Countries/Territories	Count	Percent
1	United States	249	39.4%
2	China	176	27.8%
3	Germany	78	12.3%
4	Japan	34	5.4%
5	Canada	25	4%
6	Singapore	18	2.8%
7	France	12	1.9%
8	India	6	0.9%
9	Cyprus	5	0.8%
10	Netherlands	4	0.6%
11	Norway	3	0.5%
12	Australia	3	0.5%
13	Iran, Islamic Republic of	3	0.5%
14	United Kingdom	3	0.5%
15	Spain	2	0.3%
16	Mongolia	2	0.3%
17	Morocco	2	0.3%
18	Korea, Republic of	2	0.3%
19	Lithuania	1	0.2%
20	Malaysia	1	0.2%
21	Argentina	1	0.2%
22	Sweden	1	0.2%
23	Turkey	1	0.2%