Rank	Countries/Territories	Count	Percent
1	United States	504	37.7%
2	China	385	28.8%
3	Germany	144	10.8%
4	France	74	5.5%
5	Australia	42	3.1%
6	Japan	26	1.9%
7	Netherlands	18	1.3%
8	Norway	14	1%
9	Singapore	13	1%
10	Canada	13	1%
11	Sweden	12	0.9%
12	United Kingdom	10	0.7%
13	Romania	8	0.6%
14	Korea, Republic of	8	0.6%
15	Argentina	7	0.5%
16	Ukraine	7	0.5%
17	Hong Kong	6	0.4%
18	India	5	0.4%
19	Ireland	5	0.4%
20	Cyprus	5	0.4%
21	Egypt	5	0.4%
22	Thailand	4	0.3%
23	Mongolia	4	0.3%
24	Turkey	3	0.2%
25	Iran, Islamic Republic of	3	0.2%
26	Italy	2	0.1%
27	Malaysia	2	0.1%
28	Mexico	2	0.1%
29	Pakistan	2	0.1%
30	Russia	1	0.1%
31	South Africa	1	0.1%
32	Ghana	1	0.1%
33	Bangladesh	1	0.1%
34	Brazil	1	0.1%