Rank	Countries/Territories	Count	Percent
1	United States	547	37.9%
2	China	531	36.8%
3	Germany	80	5.5%
4	Russia	55	3.8%
5	Japan	31	2.1%
6	Hong Kong	23	1.6%
7	Korea, Republic of	22	1.5%
8	Sweden	20	1.4%
9	India	19	1.3%
10	France	15	1%
11	Singapore	13	0.9%
12	Switzerland	11	0.8%
13	Netherlands	10	0.7%
14	United Kingdom	9	0.6%
15	Taiwan	7	0.5%
16	Ireland	6	0.4%
17	Canada	6	0.4%
18	Cyprus	6	0.4%
19	Australia	5	0.3%
20	Bangladesh	4	0.3%
21	Norway	3	0.2%
22	Malaysia	3	0.2%
23	Romania	3	0.2%
24	Slovakia	2	0.1%
25	Brazil	2	0.1%
26	Czech Republic	2	0.1%
27	Denmark	1	0.1%
28	Austria	1	0.1%
29	Argentina	1	0.1%
30	Iran, Islamic Republic of	1	0.1%
31	Pakistan	1	0.1%
32	Ukraine	1	0.1%
33	United Arab Emirates	1	0.1%