Rank	Countries/Territories	Count	Percent
1	China	289	31.3%
2	United States	277	30%
3	Germany	63	6.8%
4	Italy	46	5%
5	Japan	27	2.9%
6	Korea, Republic of	21	2.3%
7	Czech Republic	21	2.3%
8	India	16	1.7%
9	Singapore	15	1.6%
10	Switzerland	10	1.1%
11	Turkey	10	1.1%
12	Russia	8	0.9%
13	Netherlands	8	0.9%
14	Canada	8	0.9%
15	Denmark	7	0.8%
16	Cyprus	7	0.8%
17	Indonesia	6	0.7%
18	Portugal	6	0.7%
19	United Arab Emirates	6	0.7%
20	Mexico	5	0.5%
21	Iran, Islamic Republic of	4	0.4%
22	Ireland	4	0.4%
23	Hong Kong	4	0.4%
24	Finland	4	0.4%
25	Cambodia	4	0.4%
26	Argentina	3	0.3%
27	Australia	3	0.3%
28	Bangladesh	3	0.3%
29	France	3	0.3%
30	United Kingdom	3	0.3%
31	Philippines	3	0.3%
32	Uzbekistan	2	0.2%
33	Greece	2	0.2%
34	Guatemala	2	0.2%
35	Ecuador	2	0.2%
36	Bosnia and Herzegovina	2	0.2%
37	Brazil	2	0.2%
38	Colombia	2	0.2%
39	Malaysia	2	0.2%
40	Macao	1	0.1%
41	Romania	1	0.1%
42	Norway	1	0.1%
43	Peru	1	0.1%
44	Kenya	1	0.1%
45	Cote D'ivoire	1	0.1%
46	Burundi	1	0.1%
47	Estonia	1	0.1%
48	Ukraine	1	0.1%
49	Slovakia	1	0.1%
50	South Africa	1	0.1%
51	Spain	1	0.1%