Rank	Countries/Territories	Count	Percent
1	China	628	35.1%
2	United States	459	25.7%
3	Japan	134	7.5%
4	Germany	94	5.3%
5	Switzerland	68	3.8%
6	Singapore	36	2%
7	France	25	1.4%
8	Russia	21	1.2%
9	Georgia	19	1.1%
10	United Kingdom	18	1%
11	Viet Nam	17	1%
12	Canada	16	0.9%
13	Italy	16	0.9%
14	Netherlands	15	0.8%
15	Mexico	14	0.8%
16	Korea, Republic of	14	0.8%
17	Iran, Islamic Republic of	14	0.8%
18	Sweden	13	0.7%
19	Ireland	12	0.7%
20	India	11	0.6%
21	Taiwan	10	0.6%
22	Spain	9	0.5%
23	Cyprus	9	0.5%
24	Australia	9	0.5%
25	Brazil	9	0.5%
26	South Africa	8	0.4%
27	Turkey	8	0.4%
28	Romania	7	0.4%
29	Bangladesh	7	0.4%
30	Iraq	6	0.3%
31	Portugal	6	0.3%
32	Thailand	6	0.3%
33	Hong Kong	5	0.3%
34	Greece	4	0.2%
35	Colombia	4	0.2%
36	Cameroon	4	0.2%
37	Ukraine	4	0.2%
38	Senegal	3	0.2%
39	Argentina	3	0.2%
40	Nigeria	3	0.2%
41	Norway	2	0.1%
42	Malaysia	2	0.1%
43	United Arab Emirates	2	0.1%
44	Saudi Arabia	2	0.1%
45	Sri Lanka	1	0.1%
46	Uganda	1	0.1%
47	Maldives	1	0.1%
48	Indonesia	1	0.1%
49	Pakistan	1	0.1%
50	Peru	1	0.1%
51	Philippines	1	0.1%
52	Moldova, Republic of	1	0.1%
53	Mongolia	1	0.1%
54	Belgium	1	0.1%
55	Bulgaria	1	0.1%
56	Egypt	1	0.1%