Rank	Countries/Territories	Count	Percent
1	China	503	37.1%
2	United States	488	36%
3	Germany	150	11.1%
4	France	51	3.8%
5	United Kingdom	33	2.4%
6	Japan	20	1.5%
7	Singapore	13	1%
8	Netherlands	10	0.7%
9	Canada	10	0.7%
10	Norway	8	0.6%
11	Switzerland	6	0.4%
12	Ukraine	6	0.4%
13	Australia	6	0.4%
14	Cyprus	6	0.4%
15	India	5	0.4%
16	Taiwan	5	0.4%
17	Poland	5	0.4%
18	Russia	5	0.4%
19	Ireland	4	0.3%
20	Egypt	4	0.3%
21	Mongolia	3	0.2%
22	Korea, Republic of	2	0.1%
23	Philippines	2	0.1%
24	Slovakia	2	0.1%
25	Spain	1	0.1%
26	Hong Kong	1	0.1%
27	Hungary	1	0.1%
28	Estonia	1	0.1%
29	Denmark	1	0.1%
30	Bulgaria	1	0.1%
31	Argentina	1	0.1%