Rank	Countries/Territories	Count	Percent
1	China	538	44.3%
2	United States	308	25.3%
3	Germany	64	5.3%
4	United Kingdom	56	4.6%
5	India	42	3.5%
6	Korea, Republic of	33	2.7%
7	Singapore	19	1.6%
8	Netherlands	15	1.2%
9	Japan	12	1%
10	France	10	0.8%
11	Russia	8	0.7%
12	Taiwan	8	0.7%
13	Egypt	7	0.6%
14	Ireland	7	0.6%
15	Israel	7	0.6%
16	Canada	7	0.6%
17	Switzerland	6	0.5%
18	Mexico	6	0.5%
19	Poland	5	0.4%
20	Viet Nam	5	0.4%
21	Ukraine	4	0.3%
22	Hong Kong	4	0.3%
23	Australia	4	0.3%
24	Denmark	4	0.3%
25	Cyprus	3	0.2%
26	Belgium	3	0.2%
27	Indonesia	3	0.2%
28	Greece	3	0.2%
29	Sweden	3	0.2%
30	South Africa	2	0.2%
31	Iran, Islamic Republic of	2	0.2%
32	Italy	2	0.2%
33	Cameroon	2	0.2%
34	Argentina	2	0.2%
35	Colombia	2	0.2%
36	Virgin Islands, British	2	0.2%
37	Spain	1	0.1%
38	Turkey	1	0.1%
39	Kuwait	1	0.1%
40	Macao	1	0.1%
41	Moldova, Republic of	1	0.1%
42	Norway	1	0.1%
43	Pakistan	1	0.1%