Rank	Countries/Territories	Count	Percent
1	United States	245	34.9%
2	China	228	32.4%
3	Germany	64	9.1%
4	Japan	20	2.8%
5	Canada	17	2.4%
6	France	15	2.1%
7	Netherlands	10	1.4%
8	Oman	9	1.3%
9	United Kingdom	9	1.3%
10	Korea, Republic of	9	1.3%
11	Ireland	9	1.3%
12	Burkina Faso	8	1.1%
13	Australia	6	0.9%
14	India	6	0.9%
15	Nigeria	6	0.9%
16	Cyprus	5	0.7%
17	Indonesia	4	0.6%
18	Singapore	4	0.6%
19	Thailand	4	0.6%
20	Russia	3	0.4%
21	Italy	3	0.4%
22	Mexico	3	0.4%
23	Brazil	3	0.4%
24	Mauritius	2	0.3%
25	United Arab Emirates	2	0.3%
26	South Africa	2	0.3%
27	Taiwan	1	0.1%
28	Tanzania, United Republic of	1	0.1%
29	Romania	1	0.1%
30	Viet Nam	1	0.1%
31	Argentina	1	0.1%
32	Egypt	1	0.1%
33	Georgia	1	0.1%