Rank	Countries/Territories	Count	Percent
1	China	409	44.8%
2	United States	294	32.2%
3	Germany	87	9.5%
4	Russia	13	1.4%
5	Japan	12	1.3%
6	Korea, Republic of	10	1.1%
7	Singapore	10	1.1%
8	Norway	10	1.1%
9	France	8	0.9%
10	Netherlands	6	0.7%
11	Ukraine	5	0.5%
12	Ireland	4	0.4%
13	Brazil	4	0.4%
14	Greece	4	0.4%
15	Canada	3	0.3%
16	Australia	3	0.3%
17	Turkey	3	0.3%
18	Zimbabwe	3	0.3%
19	United Kingdom	2	0.2%
20	Viet Nam	2	0.2%
21	Saudi Arabia	2	0.2%
22	Serbia	2	0.2%
23	Argentina	2	0.2%
24	Cyprus	2	0.2%
25	Hong Kong	2	0.2%
26	Moldova, Republic of	2	0.2%
27	Jordan	2	0.2%
28	India	1	0.1%
29	Indonesia	1	0.1%
30	Egypt	1	0.1%
31	Belgium	1	0.1%
32	Philippines	1	0.1%
33	Portugal	1	0.1%