Rank	Countries/Territories	Count	Percent
1	China	458	38.5%
2	United States	389	32.7%
3	Germany	100	8.4%
4	France	38	3.2%
5	Switzerland	23	1.9%
6	Belgium	15	1.3%
7	Japan	15	1.3%
8	Malawi	13	1.1%
9	Netherlands	13	1.1%
10	Norway	11	0.9%
11	Canada	10	0.8%
12	Australia	8	0.7%
13	Taiwan	8	0.7%
14	Singapore	8	0.7%
15	Ukraine	6	0.5%
16	Korea, Republic of	6	0.5%
17	Cyprus	5	0.4%
18	Russia	5	0.4%
19	Sweden	4	0.3%
20	Argentina	4	0.3%
21	Hong Kong	4	0.3%
22	India	4	0.3%
23	Malaysia	4	0.3%
24	Mongolia	3	0.3%
25	Bangladesh	3	0.3%
26	Colombia	3	0.3%
27	Egypt	3	0.3%
28	United Kingdom	3	0.3%
29	United Arab Emirates	2	0.2%
30	Greece	2	0.2%
31	Azerbaijan	2	0.2%
32	Nigeria	2	0.2%
33	Indonesia	2	0.2%
34	Iraq	2	0.2%
35	Ireland	2	0.2%
36	Israel	1	0.1%
37	Kuwait	1	0.1%
38	Jordan	1	0.1%
39	Philippines	1	0.1%
40	Mozambique	1	0.1%
41	Mexico	1	0.1%
42	Austria	1	0.1%
43	Brazil	1	0.1%
44	Finland	1	0.1%
45	Denmark	1	0.1%
46	Turkey	1	0.1%