Rank	Countries/Territories	Count	Percent
1	United States	322	33.1%
2	China	218	22.4%
3	Japan	90	9.2%
4	Russia	78	8%
5	Germany	53	5.4%
6	India	44	4.5%
7	Hong Kong	24	2.5%
8	Ireland	17	1.7%
9	Korea, Republic of	15	1.5%
10	France	14	1.4%
11	Israel	11	1.1%
12	Italy	10	1%
13	Canada	10	1%
14	Australia	10	1%
15	Singapore	10	1%
16	United Kingdom	6	0.6%
17	Finland	6	0.6%
18	Brazil	5	0.5%
19	Turkey	5	0.5%
20	Mongolia	4	0.4%
21	Viet Nam	4	0.4%
22	Mexico	3	0.3%
23	Portugal	2	0.2%
24	Netherlands	2	0.2%
25	Spain	2	0.2%
26	Argentina	2	0.2%
27	Lebanon	2	0.2%
28	Iran, Islamic Republic of	1	0.1%
29	Bangladesh	1	0.1%
30	United Arab Emirates	1	0.1%
31	Philippines	1	0.1%