Rank	Countries/Territories	Count	Percent
1	China	229	35.4%
2	United States	206	31.8%
3	Germany	63	9.7%
4	France	25	3.9%
5	Switzerland	20	3.1%
6	Japan	15	2.3%
7	Netherlands	9	1.4%
8	Singapore	7	1.1%
9	Malawi	7	1.1%
10	Belgium	6	0.9%
11	Canada	5	0.8%
12	Korea, Republic of	5	0.8%
13	Malaysia	4	0.6%
14	Ukraine	4	0.6%
15	India	4	0.6%
16	Cyprus	3	0.5%
17	Mongolia	3	0.5%
18	United Arab Emirates	2	0.3%
19	United Kingdom	2	0.3%
20	Taiwan	2	0.3%
21	Sweden	2	0.3%
22	Australia	2	0.3%
23	Indonesia	2	0.3%
24	Iraq	2	0.3%
25	Ireland	2	0.3%
26	Azerbaijan	2	0.3%
27	Hong Kong	2	0.3%
28	Russia	2	0.3%
29	Israel	1	0.2%
30	Austria	1	0.2%
31	Brazil	1	0.2%
32	Denmark	1	0.2%
33	Egypt	1	0.2%
34	Philippines	1	0.2%
35	Turkey	1	0.2%
36	Mozambique	1	0.2%
37	Mexico	1	0.2%
38	Jordan	1	0.2%