Rank	Countries/Territories	Count	Percent
1	China	512	38.5%
2	United States	409	30.7%
3	Germany	118	8.9%
4	Belgium	45	3.4%
5	France	41	3.1%
6	Switzerland	23	1.7%
7	Norway	17	1.3%
8	Japan	17	1.3%
9	Malawi	13	1%
10	Netherlands	13	1%
11	Canada	10	0.8%
12	Australia	9	0.7%
13	Singapore	8	0.6%
14	Taiwan	8	0.6%
15	Ukraine	6	0.5%
16	Cyprus	6	0.5%
17	Korea, Republic of	6	0.5%
18	India	5	0.4%
19	Russia	5	0.4%
20	United Kingdom	5	0.4%
21	Sweden	4	0.3%
22	Hong Kong	4	0.3%
23	Malaysia	4	0.3%
24	Argentina	4	0.3%
25	Bangladesh	3	0.2%
26	Colombia	3	0.2%
27	Egypt	3	0.2%
28	Mongolia	3	0.2%
29	Nigeria	2	0.2%
30	Indonesia	2	0.2%
31	Iraq	2	0.2%
32	Ireland	2	0.2%
33	Greece	2	0.2%
34	Brazil	2	0.2%
35	Azerbaijan	2	0.2%
36	United Arab Emirates	2	0.2%
37	Turkey	1	0.1%
38	Philippines	1	0.1%
39	Austria	1	0.1%
40	Finland	1	0.1%
41	Denmark	1	0.1%
42	Israel	1	0.1%
43	Jordan	1	0.1%
44	Mozambique	1	0.1%
45	Mexico	1	0.1%
46	Kuwait	1	0.1%
47	Libya	1	0.1%