Rank	Countries/Territories	Count	Percent
1	United States	431	42.3%
2	China	252	24.8%
3	Germany	136	13.4%
4	France	36	3.5%
5	Korea, Republic of	30	2.9%
6	United Kingdom	25	2.5%
7	Canada	22	2.2%
8	Japan	18	1.8%
9	Singapore	18	1.8%
10	Netherlands	7	0.7%
11	Iran, Islamic Republic of	6	0.6%
12	Cyprus	4	0.4%
13	Turkey	4	0.4%
14	Egypt	3	0.3%
15	Australia	3	0.3%
16	Israel	3	0.3%
17	Italy	2	0.2%
18	Iraq	2	0.2%
19	India	2	0.2%
20	Sweden	2	0.2%
21	Slovenia	2	0.2%
22	Malaysia	2	0.2%
23	Mongolia	2	0.2%
24	Romania	1	0.1%
25	Russia	1	0.1%
26	Spain	1	0.1%
27	Argentina	1	0.1%
28	Denmark	1	0.1%
29	Ecuador	1	0.1%