Rank	Countries/Territories	Count	Percent
1	United States	142	43.6%
2	China	53	16.3%
3	Germany	41	12.6%
4	Japan	11	3.4%
5	Singapore	10	3.1%
6	Korea, Republic of	8	2.5%
7	Qatar	8	2.5%
8	Egypt	8	2.5%
9	France	8	2.5%
10	Netherlands	6	1.8%
11	Tanzania, United Republic of	6	1.8%
12	United Kingdom	4	1.2%
13	India	3	0.9%
14	Colombia	3	0.9%
15	Cyprus	2	0.6%
16	Brazil	2	0.6%
17	Canada	2	0.6%
18	Ireland	2	0.6%
19	Turkey	2	0.6%
20	Lithuania	1	0.3%
21	Malaysia	1	0.3%
22	Mexico	1	0.3%
23	Algeria	1	0.3%
24	Belgium	1	0.3%