Rank	Countries/Territories	Count	Percent
1	United States	314	37.8%
2	China	240	28.9%
3	Germany	91	11%
4	Canada	33	4%
5	Russia	25	3%
6	Japan	19	2.3%
7	Australia	14	1.7%
8	France	9	1.1%
9	Singapore	8	1%
10	Netherlands	7	0.8%
11	Norway	7	0.8%
12	India	7	0.8%
13	Brazil	5	0.6%
14	Cyprus	5	0.6%
15	United Kingdom	5	0.6%
16	Korea, Republic of	4	0.5%
17	Mexico	4	0.5%
18	Argentina	4	0.5%
19	Hong Kong	4	0.5%
20	Mongolia	3	0.4%
21	Latvia	3	0.4%
22	Philippines	3	0.4%
23	Ukraine	2	0.2%
24	Nepal	2	0.2%
25	Ireland	2	0.2%
26	Ethiopia	2	0.2%
27	Chile	2	0.2%
28	Finland	1	0.1%
29	Iran, Islamic Republic of	1	0.1%
30	Georgia	1	0.1%
31	South Africa	1	0.1%
32	Spain	1	0.1%
33	Taiwan	1	0.1%