Rank	Countries/Territories	Count	Percent
1	China	186	33.6%
2	United States	152	27.4%
3	Germany	63	11.4%
4	Japan	57	10.3%
5	Singapore	23	4.2%
6	Netherlands	7	1.3%
7	Korea, Republic of	6	1.1%
8	Canada	6	1.1%
9	Cyprus	6	1.1%
10	Mongolia	5	0.9%
11	France	4	0.7%
12	Thailand	4	0.7%
13	United Kingdom	4	0.7%
14	Turkey	3	0.5%
15	Ukraine	2	0.4%
16	Zambia	2	0.4%
17	Sweden	2	0.4%
18	Rwanda	2	0.4%
19	Saudi Arabia	2	0.4%
20	Ethiopia	2	0.4%
21	Argentina	2	0.4%
22	Australia	2	0.4%
23	Indonesia	2	0.4%
24	Ireland	2	0.4%
25	Pakistan	2	0.4%
26	Philippines	2	0.4%
27	Romania	1	0.2%
28	Russia	1	0.2%
29	Hong Kong	1	0.2%
30	India	1	0.2%