Rank	Countries/Territories	Count	Percent
1	United States	493	52.8%
2	China	185	19.8%
3	Germany	81	8.7%
4	Japan	26	2.8%
5	France	17	1.8%
6		16	1.7%
7	India	12	1.3%
8	Iran, Islamic Republic of	10	1.1%
9	Ireland	9	1%
10	Netherlands	9	1%
11	Korea, Republic of	7	0.8%
12	Australia	6	0.6%
13	Canada	6	0.6%
14	Cyprus	6	0.6%
15	Norway	6	0.6%
16	Taiwan	6	0.6%
17	Hong Kong	5	0.5%
18	Argentina	5	0.5%
19	Russia	4	0.4%
20	Italy	4	0.4%
21	United Kingdom	3	0.3%
22	Singapore	3	0.3%
23	Portugal	2	0.2%
24	Brazil	2	0.2%
25	Egypt	2	0.2%
26	Macao	2	0.2%
27	Mongolia	1	0.1%
28	Israel	1	0.1%
29	Romania	1	0.1%
30	Poland	1	0.1%
31	Nigeria	1	0.1%
32	Ukraine	1	0.1%