Rank	Countries/Territories	Count	Percent
1	China	719	33.3%
2	United States	672	31.1%
3	Japan	147	6.8%
4	Germany	96	4.4%
5	Taiwan	39	1.8%
6	Singapore	34	1.6%
7	India	32	1.5%
8	Korea, Republic of	29	1.3%
9	Netherlands	28	1.3%
10	Australia	28	1.3%
11	Bulgaria	26	1.2%
12	France	26	1.2%
13	Canada	24	1.1%
14	United Kingdom	21	1%
15	Pakistan	19	0.9%
16	Iran, Islamic Republic of	19	0.9%
17	Ireland	17	0.8%
18	Viet Nam	15	0.7%
19	Hong Kong	15	0.7%
20	Switzerland	12	0.6%
21	Malaysia	12	0.6%
22	Cyprus	12	0.6%
23	Belgium	11	0.5%
24	Brazil	11	0.5%
25	Indonesia	11	0.5%
26	Spain	10	0.5%
27	Russia	10	0.5%
28	South Africa	6	0.3%
29	Egypt	6	0.3%
30	Denmark	5	0.2%
31	Italy	5	0.2%
32	Ukraine	5	0.2%
33	Nigeria	4	0.2%
34	Poland	4	0.2%
35	Mexico	3	0.1%
36	Libya	3	0.1%
37	Argentina	3	0.1%
38	South Sudan	3	0.1%
39	Sweden	2	0.1%
40	Thailand	2	0.1%
41	Turkey	2	0.1%
42	Ghana	2	0.1%
43	Colombia	2	0.1%
44	Ecuador	1	0%
45	Ethiopia	1	0%
46	Macao	1	0%
47	Iraq	1	0%
48	Portugal	1	0%
49	Romania	1	0%
50	Peru	1	0%
51	Sri Lanka	1	0%