Rank	Countries/Territories	Count	Percent
1	United States	470	40%
2	China	367	31.3%
3	Germany	110	9.4%
4	Singapore	40	3.4%
5	Japan	29	2.5%
6	Italy	22	1.9%
7	United Kingdom	17	1.4%
8	Korea, Republic of	15	1.3%
9	Argentina	13	1.1%
10	Australia	12	1%
11	Hong Kong	12	1%
12	Canada	11	0.9%
13	Netherlands	7	0.6%
14	Iran, Islamic Republic of	6	0.5%
15	Bulgaria	5	0.4%
16	Cyprus	5	0.4%
17	Portugal	5	0.4%
18	Ukraine	4	0.3%
19	Ireland	4	0.3%
20	France	3	0.3%
21	India	3	0.3%
22	Latvia	2	0.2%
23	Kenya	2	0.2%
24	Hungary	2	0.2%
25	Finland	1	0.1%
26	Bangladesh	1	0.1%
27	Mongolia	1	0.1%
28	Romania	1	0.1%
29	Russia	1	0.1%
30	New Zealand	1	0.1%
31	Norway	1	0.1%
32	Poland	1	0.1%