Rank	Countries/Territories	Count	Percent
1	United States	580	50.5%
2	China	271	23.6%
3	Germany	112	9.8%
4	Japan	32	2.8%
5	France	30	2.6%
6	Canada	28	2.4%
7	Switzerland	14	1.2%
8	United Kingdom	11	1%
9	India	10	0.9%
10	Netherlands	9	0.8%
11	Australia	7	0.6%
12	Brazil	5	0.4%
13	Cyprus	5	0.4%
14	Spain	4	0.3%
15	Sweden	3	0.3%
16	Singapore	3	0.3%
17	Macao	3	0.3%
18	Korea, Republic of	2	0.2%
19	Lebanon	2	0.2%
20	Iran, Islamic Republic of	2	0.2%
21	Ireland	2	0.2%
22	Romania	2	0.2%
23	Turkey	2	0.2%
24	Ukraine	1	0.1%
25	United Arab Emirates	1	0.1%
26	Russia	1	0.1%
27	Thailand	1	0.1%
28	Italy	1	0.1%
29	Georgia	1	0.1%
30	Malaysia	1	0.1%
31	Mongolia	1	0.1%
32	Palestine, State of	1	0.1%