Rank	Countries/Territories	Count	Percent
1	China	411	38.5%
2	United States	300	28.1%
3	Germany	81	7.6%
4	Netherlands	55	5.2%
5	Denmark	23	2.2%
6	India	22	2.1%
7	France	18	1.7%
8	Japan	18	1.7%
9	Korea, Republic of	18	1.7%
10	Italy	15	1.4%
11	Canada	11	1%
12	Australia	10	0.9%
13	Taiwan	9	0.8%
14	Singapore	8	0.7%
15	Portugal	6	0.6%
16	Ireland	6	0.6%
17	Afghanistan	5	0.5%
18	Argentina	5	0.5%
19	Romania	5	0.5%
20	Poland	4	0.4%
21	Russia	3	0.3%
22	Cyprus	3	0.3%
23	Israel	2	0.2%
24	Greece	2	0.2%
25	Hong Kong	2	0.2%
26	Philippines	2	0.2%
27	Macao	2	0.2%
28	Malaysia	2	0.2%
29	Mexico	2	0.2%
30	Nigeria	2	0.2%
31	Tunisia	2	0.2%
32	Turkey	2	0.2%
33	United Kingdom	2	0.2%
34	Zambia	1	0.1%
35	Norway	1	0.1%
36	Peru	1	0.1%
37	South Africa	1	0.1%
38	Spain	1	0.1%
39	Thailand	1	0.1%
40	Iran, Islamic Republic of	1	0.1%
41	Belgium	1	0.1%
42	Brazil	1	0.1%