Rank	Countries/Territories	Count	Percent
1	China	399	43.6%
2	United States	292	31.9%
3	Japan	39	4.3%
4	United Kingdom	36	3.9%
5	Singapore	29	3.2%
6	Germany	24	2.6%
7	Korea, Republic of	23	2.5%
8	Australia	11	1.2%
9	Hong Kong	9	1%
10	Netherlands	9	1%
11	France	8	0.9%
12	Denmark	4	0.4%
13	Ireland	4	0.4%
14	Spain	4	0.4%
15	Switzerland	3	0.3%
16	Philippines	2	0.2%
17	Argentina	2	0.2%
18	Italy	2	0.2%
19	Hungary	2	0.2%
20	India	2	0.2%
21	Iran, Islamic Republic of	2	0.2%
22	Iraq	2	0.2%
23	Belgium	2	0.2%
24	Canada	2	0.2%
25	Costa Rica	1	0.1%
26	Mongolia	1	0.1%
27	Israel	1	0.1%
28	Poland	1	0.1%