Rank	Countries/Territories	Count	Percent
1	China	152	40.4%
2	United States	119	31.6%
3	Japan	10	2.7%
4	Denmark	9	2.4%
5	United Kingdom	8	2.1%
6	Netherlands	7	1.9%
7	Bulgaria	7	1.9%
8	Korea, Republic of	7	1.9%
9	Australia	6	1.6%
10	Germany	6	1.6%
11	India	5	1.3%
12	Ireland	5	1.3%
13	Saudi Arabia	4	1.1%
14	Singapore	3	0.8%
15	Norway	3	0.8%
16	Greece	3	0.8%
17	Hong Kong	2	0.5%
18	France	2	0.5%
19	Chile	2	0.5%
20	Belgium	2	0.5%
21	Iran, Islamic Republic of	2	0.5%
22	Latvia	2	0.5%
23	Malaysia	2	0.5%
24	Philippines	2	0.5%
25	Romania	2	0.5%
26	Nigeria	1	0.3%
27	Sweden	1	0.3%
28	Mongolia	1	0.3%
29	Bangladesh	1	0.3%