Rank	Countries/Territories	Count	Percent
1	China	561	40.3%
2	United States	334	24%
3	Germany	123	8.8%
4	Russia	44	3.2%
5	Switzerland	40	2.9%
6	Netherlands	40	2.9%
7	Canada	23	1.7%
8	India	21	1.5%
9	Japan	16	1.2%
10	Cyprus	14	1%
11	Australia	13	0.9%
12	France	13	0.9%
13	United Kingdom	13	0.9%
14	Brazil	10	0.7%
15	Ireland	9	0.6%
16	Ukraine	9	0.6%
17	Hong Kong	8	0.6%
18	Czech Republic	8	0.6%
19	Korea, Republic of	7	0.5%
20	Israel	7	0.5%
21	Belgium	6	0.4%
22	South Africa	6	0.4%
23	Philippines	4	0.3%
24	Saudi Arabia	4	0.3%
25	Romania	4	0.3%
26	Egypt	4	0.3%
27	Latvia	4	0.3%
28	Nigeria	4	0.3%
29	Iran, Islamic Republic of	3	0.2%
30	Greece	3	0.2%
31	Taiwan	3	0.2%
32	Tanzania, United Republic of	3	0.2%
33	Senegal	3	0.2%
34	Singapore	3	0.2%
35	Spain	3	0.2%
36	Portugal	2	0.1%
37	Turkey	2	0.1%
38	Indonesia	2	0.1%
39	Italy	2	0.1%
40	Pakistan	2	0.1%
41	Norway	1	0.1%
42	Malaysia	1	0.1%
43	Mexico	1	0.1%
44	Jamaica	1	0.1%
45	Iraq	1	0.1%
46	Kenya	1	0.1%
47	Albania	1	0.1%
48	Chile	1	0.1%
49	Cameroon	1	0.1%
50	Thailand	1	0.1%
51	Viet Nam	1	0.1%