Rank	Countries/Territories	Count	Percent
1	United States	180	31.4%
2	China	156	27.2%
3	Germany	43	7.5%
4	Netherlands	31	5.4%
5	France	27	4.7%
6	Australia	18	3.1%
7	United Kingdom	15	2.6%
8	Korea, Republic of	12	2.1%
9	Ireland	10	1.7%
10	Indonesia	8	1.4%
11	Qatar	7	1.2%
12	Switzerland	6	1%
13	Canada	6	1%
14	India	5	0.9%
15	Malaysia	5	0.9%
16	Mexico	4	0.7%
17	Romania	4	0.7%
18	Russia	4	0.7%
19	Singapore	4	0.7%
20	Ukraine	3	0.5%
21	Bangladesh	3	0.5%
22	Brazil	3	0.5%
23	Cyprus	3	0.5%
24	Iran, Islamic Republic of	2	0.3%
25	Vanuatu	2	0.3%
26	Sweden	2	0.3%
27	Oman	2	0.3%
28	Philippines	1	0.2%
29	Poland	1	0.2%
30	Viet Nam	1	0.2%
31	Mauritius	1	0.2%
32	Iraq	1	0.2%
33	Japan	1	0.2%
34	Egypt	1	0.2%
35	Costa Rica	1	0.2%
36	Azerbaijan	1	0.2%