Rank	Countries/Territories	Count	Percent
1	China	640	33.6%
2	United States	583	30.7%
3	Japan	142	7.5%
4	Germany	75	3.9%
5	Singapore	34	1.8%
6	Taiwan	33	1.7%
7	India	31	1.6%
8	Bulgaria	26	1.4%
9	Australia	25	1.3%
10	France	25	1.3%
11	Netherlands	25	1.3%
12	Canada	22	1.2%
13	Korea, Republic of	19	1%
14	Pakistan	18	0.9%
15	Ireland	17	0.9%
16	United Kingdom	17	0.9%
17	Iran, Islamic Republic of	16	0.8%
18	Viet Nam	15	0.8%
19	Hong Kong	11	0.6%
20	Malaysia	11	0.6%
21	Belgium	11	0.6%
22	Indonesia	11	0.6%
23	Russia	10	0.5%
24	Spain	10	0.5%
25	Switzerland	9	0.5%
26	Cyprus	8	0.4%
27	Brazil	5	0.3%
28	Ukraine	5	0.3%
29	Denmark	4	0.2%
30	Egypt	4	0.2%
31	Poland	4	0.2%
32	Italy	4	0.2%
33	Libya	3	0.2%
34	Mexico	3	0.2%
35	South Africa	3	0.2%
36	South Sudan	3	0.2%
37	Thailand	2	0.1%
38	Turkey	2	0.1%
39	Nigeria	2	0.1%
40	Argentina	2	0.1%
41	Ghana	2	0.1%
42	Colombia	2	0.1%
43	Ecuador	1	0.1%
44	Ethiopia	1	0.1%
45	Portugal	1	0.1%
46	Peru	1	0.1%
47	Macao	1	0.1%
48	Iraq	1	0.1%
49	Sri Lanka	1	0.1%
50	Sweden	1	0.1%