Rank	Countries/Territories	Count	Percent
1	United States	353	48.6%
2	China	107	14.7%
3	Canada	63	8.7%
4	Germany	50	6.9%
5	United Kingdom	35	4.8%
6	Saudi Arabia	12	1.7%
7	Netherlands	11	1.5%
8	France	10	1.4%
9	India	8	1.1%
10	Ireland	6	0.8%
11	Kuwait	6	0.8%
12	Australia	5	0.7%
13	Korea, Republic of	5	0.7%
14	Norway	3	0.4%
15	Poland	3	0.4%
16	Romania	3	0.4%
17	South Africa	3	0.4%
18	Argentina	3	0.4%
19	Iran, Islamic Republic of	3	0.4%
20	Tanzania, United Republic of	3	0.4%
21	Yemen	2	0.3%
22	Iraq	2	0.3%
23	Israel	2	0.3%
24	Japan	2	0.3%
25	Jordan	2	0.3%
26	Bahrain	2	0.3%
27	Cyprus	2	0.3%
28	Denmark	2	0.3%
29	Egypt	2	0.3%
30	Spain	2	0.3%
31	Sweden	2	0.3%
32	Switzerland	2	0.3%
33	Russia	2	0.3%
34	Singapore	1	0.1%
35	Qatar	1	0.1%
36	Oman	1	0.1%
37	Nigeria	1	0.1%
38	Brazil	1	0.1%
39	Kenya	1	0.1%
40	Italy	1	0.1%
41	Iceland	1	0.1%
42	United Arab Emirates	1	0.1%