Rank	Countries/Territories	Count	Percent
1	United States	272	40.1%
2	China	178	26.2%
3	Germany	52	7.7%
4	United Kingdom	38	5.6%
5	France	20	2.9%
6	Japan	15	2.2%
7	Canada	12	1.8%
8	Netherlands	11	1.6%
9	Singapore	10	1.5%
10	Hong Kong	10	1.5%
11	India	6	0.9%
12	United Arab Emirates	6	0.9%
13	Korea, Republic of	5	0.7%
14	Nicaragua	4	0.6%
15	Ireland	4	0.6%
16	Russia	3	0.4%
17	Iran, Islamic Republic of	3	0.4%
18	Cyprus	3	0.4%
19	Estonia	3	0.4%
20	Australia	3	0.4%
21	Indonesia	2	0.3%
22	Iraq	2	0.3%
23	Romania	2	0.3%
24	Thailand	2	0.3%
25	Italy	2	0.3%
26	Mexico	2	0.3%
27	Philippines	2	0.3%
28	Portugal	1	0.1%
29	Mongolia	1	0.1%
30	Spain	1	0.1%
31	Tanzania, United Republic of	1	0.1%
32	Lithuania	1	0.1%
33	Malaysia	1	0.1%
34	Argentina	1	0.1%