Rank	Countries/Territories	Count	Percent
1	United States	500	44.8%
2	China	285	25.5%
3	Germany	136	12.2%
4	France	31	2.8%
5	Canada	25	2.2%
6	Argentina	19	1.7%
7	Netherlands	19	1.7%
8	India	18	1.6%
9	Singapore	18	1.6%
10	Australia	11	1%
11	Japan	10	0.9%
12	Korea, Republic of	6	0.5%
13	Ireland	6	0.5%
14	Pakistan	5	0.4%
15	Cyprus	4	0.4%
16	Egypt	3	0.3%
17	Bangladesh	2	0.2%
18	Brazil	2	0.2%
19	Romania	2	0.2%
20	Guatemala	2	0.2%
21	Hong Kong	2	0.2%
22	South Africa	2	0.2%
23	United Kingdom	2	0.2%
24	Turkey	2	0.2%
25	Ukraine	1	0.1%
26	Taiwan	1	0.1%
27	Mongolia	1	0.1%
28	Russia	1	0.1%