Rank	Countries/Territories	Count	Percent
1	United States	399	47.4%
2	China	221	26.3%
3	Germany	71	8.4%
4	France	29	3.4%
5		29	3.4%
6	Netherlands	16	1.9%
7	United Kingdom	10	1.2%
8	Canada	10	1.2%
9	Singapore	7	0.8%
10	Japan	6	0.7%
11	Italy	5	0.6%
12	India	5	0.6%
13	Cyprus	5	0.6%
14	Belgium	3	0.4%
15	Argentina	3	0.4%
16	Korea, Republic of	3	0.4%
17	Iran, Islamic Republic of	2	0.2%
18	Egypt	2	0.2%
19	Nigeria	2	0.2%
20	Mongolia	2	0.2%
21	Turkey	2	0.2%
22	United Arab Emirates	2	0.2%
23	Norway	1	0.1%
24	Switzerland	1	0.1%
25	Australia	1	0.1%
26	Algeria	1	0.1%
27	Ireland	1	0.1%
28	Hungary	1	0.1%
29	Malaysia	1	0.1%