Rank	Countries/Territories	Count	Percent
1	China	495	36.3%
2	United States	467	34.3%
3	Germany	180	13.2%
4	Netherlands	31	2.3%
5	Russia	23	1.7%
6	Japan	21	1.5%
7	France	21	1.5%
8	Canada	14	1%
9	Singapore	13	1%
10	United Kingdom	9	0.7%
11	Iran, Islamic Republic of	9	0.7%
12	Australia	8	0.6%
13	Cyprus	7	0.5%
14	Czech Republic	7	0.5%
15	Korea, Republic of	7	0.5%
16	Italy	6	0.4%
17	Belgium	6	0.4%
18	Ukraine	6	0.4%
19	Romania	6	0.4%
20	Portugal	4	0.3%
21	Spain	4	0.3%
22	Austria	3	0.2%
23	Hong Kong	3	0.2%
24	Norway	2	0.1%
25	Argentina	2	0.1%
26	Switzerland	2	0.1%
27	Taiwan	2	0.1%
28	Turkey	2	0.1%
29	Sweden	1	0.1%
30	South Africa	1	0.1%
31	Mongolia	1	0.1%