Rank	Countries/Territories	Count	Percent
1	United States	660	45.2%
2	China	421	28.8%
3	Australia	61	4.2%
4	Germany	57	3.9%
5	India	31	2.1%
6	Japan	27	1.8%
7	Korea, Republic of	27	1.8%
8	Canada	20	1.4%
9	Taiwan	18	1.2%
10	Russia	16	1.1%
11	Netherlands	13	0.9%
12	France	13	0.9%
13	Brazil	11	0.8%
14	Hong Kong	11	0.8%
15	United Kingdom	10	0.7%
16	Ireland	10	0.7%
17	Turkey	9	0.6%
18	Iran, Islamic Republic of	8	0.5%
19	Singapore	6	0.4%
20	Italy	5	0.3%
21	Romania	5	0.3%
22	Argentina	4	0.3%
23	Portugal	3	0.2%
24	Sweden	3	0.2%
25	Norway	3	0.2%
26	Israel	2	0.1%
27	Lithuania	2	0.1%
28	Luxembourg	1	0.1%
29	Greece	1	0.1%
30	Pakistan	1	0.1%
31	Slovakia	1	0.1%
32	Spain	1	0.1%