Rank	Countries/Territories	Count	Percent
1	United States	273	36.7%
2	China	216	29%
3	Germany	57	7.7%
4	Japan	53	7.1%
5	Hong Kong	18	2.4%
6	Korea, Republic of	15	2%
7	France	14	1.9%
8	Canada	12	1.6%
9	Singapore	10	1.3%
10	Thailand	10	1.3%
11	Iran, Islamic Republic of	10	1.3%
12	Netherlands	7	0.9%
13	Russia	6	0.8%
14	India	5	0.7%
15	Australia	4	0.5%
16	Ireland	4	0.5%
17	Norway	3	0.4%
18	Switzerland	3	0.4%
19	Bulgaria	3	0.4%
20	Egypt	2	0.3%
21	Cyprus	2	0.3%
22	Ghana	2	0.3%
23	Macao	2	0.3%
24	Malaysia	2	0.3%
25	Italy	2	0.3%
26	Nigeria	2	0.3%
27	Israel	1	0.1%
28	Portugal	1	0.1%
29	Turkey	1	0.1%
30	Ukraine	1	0.1%
31	Mexico	1	0.1%
32	Ecuador	1	0.1%
33	Belgium	1	0.1%