Rank	Countries/Territories	Count	Percent
1	United States	542	36.5%
2	China	441	29.7%
3	Germany	202	13.6%
4	France	66	4.5%
5	Japan	56	3.8%
6	Netherlands	34	2.3%
7	Singapore	22	1.5%
8	Australia	20	1.3%
9	Argentina	11	0.7%
10	Ukraine	10	0.7%
11	United Kingdom	9	0.6%
12	Canada	9	0.6%
13	Cyprus	6	0.4%
14	Brazil	5	0.3%
15	India	5	0.3%
16	Italy	5	0.3%
17	Iran, Islamic Republic of	4	0.3%
18	South Africa	4	0.3%
19	Taiwan	3	0.2%
20	Latvia	3	0.2%
21	Ireland	3	0.2%
22	Indonesia	3	0.2%
23	Egypt	3	0.2%
24	Ethiopia	3	0.2%
25	Hong Kong	2	0.1%
26	Lithuania	2	0.1%
27	New Zealand	2	0.1%
28	Slovenia	2	0.1%
29	Uzbekistan	1	0.1%
30	Norway	1	0.1%
31	Peru	1	0.1%
32	Saudi Arabia	1	0.1%
33	Mongolia	1	0.1%
34	Bangladesh	1	0.1%