Rank	Countries/Territories	Count	Percent
1	China	250	36.3%
2	United States	210	30.5%
3	Germany	92	13.4%
4	Japan	24	3.5%
5	Netherlands	11	1.6%
6	United Kingdom	10	1.5%
7	France	10	1.5%
8	Spain	8	1.2%
9	Singapore	8	1.2%
10	Russia	6	0.9%
11	Canada	6	0.9%
12	Cyprus	6	0.9%
13	Argentina	6	0.9%
14	Ireland	5	0.7%
15	Bulgaria	4	0.6%
16	Portugal	4	0.6%
17	Mongolia	3	0.4%
18	South Africa	3	0.4%
19	Croatia	3	0.4%
20	Korea, Republic of	3	0.4%
21	Lithuania	2	0.3%
22	Malaysia	2	0.3%
23	Hong Kong	2	0.3%
24	Algeria	2	0.3%
25	Romania	2	0.3%
26	Nigeria	2	0.3%
27	Norway	1	0.1%
28	Turkey	1	0.1%
29	Australia	1	0.1%
30	Iran, Islamic Republic of	1	0.1%
31	Mauritius	1	0.1%