Rank	Countries/Territories	Count	Percent
1	United States	486	36.5%
2	China	434	32.6%
3	Germany	127	9.5%
4	Australia	43	3.2%
5	France	30	2.3%
6	United Kingdom	28	2.1%
7	Japan	23	1.7%
8	India	18	1.4%
9	Italy	17	1.3%
10	Spain	15	1.1%
11	Netherlands	13	1%
12	Switzerland	12	0.9%
13	Singapore	10	0.8%
14	Turkey	10	0.8%
15	Cyprus	8	0.6%
16	Canada	5	0.4%
17	Taiwan	5	0.4%
18	Norway	4	0.3%
19	Brazil	4	0.3%
20	Iran, Islamic Republic of	4	0.3%
21	Argentina	3	0.2%
22	Bulgaria	3	0.2%
23	Sweden	3	0.2%
24	Ukraine	3	0.2%
25	Portugal	2	0.2%
26	Mexico	2	0.2%
27	Mongolia	2	0.2%
28	Korea, Republic of	2	0.2%
29	Greece	2	0.2%
30	Chile	2	0.2%
31	Ireland	2	0.2%
32	Israel	2	0.2%
33	Egypt	1	0.1%
34	Croatia	1	0.1%
35	Burundi	1	0.1%
36	Hong Kong	1	0.1%
37	Latvia	1	0.1%
38	Nigeria	1	0.1%
39	Romania	1	0.1%