Rank	Countries/Territories	Count	Percent
1	United States	175	35.3%
2	China	160	32.3%
3	Germany	62	12.5%
4	Netherlands	14	2.8%
5	Japan	11	2.2%
6	Singapore	10	2%
7	France	7	1.4%
8	Pakistan	5	1%
9	Saudi Arabia	5	1%
10	Indonesia	4	0.8%
11	Ireland	3	0.6%
12	India	3	0.6%
13	Russia	3	0.6%
14	Mexico	3	0.6%
15	Taiwan	3	0.6%
16	Tanzania, United Republic of	3	0.6%
17	Turkey	2	0.4%
18	United Kingdom	2	0.4%
19	Mauritius	2	0.4%
20	Italy	2	0.4%
21	Jordan	2	0.4%
22	Cyprus	2	0.4%
23	Finland	2	0.4%
24	Ghana	1	0.2%
25	Guatemala	1	0.2%
26	Argentina	1	0.2%
27	Austria	1	0.2%
28	Belgium	1	0.2%
29	Canada	1	0.2%
30	Lebanon	1	0.2%
31	Malaysia	1	0.2%
32	Norway	1	0.2%
33	Portugal	1	0.2%
34	Switzerland	1	0.2%