Rank	Countries/Territories	Count	Percent
1	United States	384	41.5%
2	China	272	29.4%
3	Germany	72	7.8%
4	France	33	3.6%
5	Argentina	26	2.8%
6	Canada	23	2.5%
7	Australia	21	2.3%
8	Norway	11	1.2%
9	India	9	1%
10	Switzerland	7	0.8%
11	Netherlands	6	0.6%
12	Cyprus	6	0.6%
13	Korea, Republic of	6	0.6%
14	Ireland	4	0.4%
15	United Arab Emirates	4	0.4%
16	United Kingdom	4	0.4%
17	Saudi Arabia	3	0.3%
18	Singapore	3	0.3%
19	Japan	3	0.3%
20	Finland	3	0.3%
21	Malaysia	3	0.3%
22	Czech Republic	2	0.2%
23	Brazil	2	0.2%
24	Iran, Islamic Republic of	2	0.2%
25	South Africa	2	0.2%
26	Sri Lanka	2	0.2%
27	Oman	2	0.2%
28	Mongolia	2	0.2%
29	Taiwan	2	0.2%
30	Ukraine	2	0.2%
31	Palestine, State of	1	0.1%
32	Iraq	1	0.1%
33	Mauritius	1	0.1%
34	Libya	1	0.1%