Rank	Countries/Territories	Count	Percent
1	United States	422	36.9%
2	China	352	30.8%
3	Germany	120	10.5%
4	Japan	55	4.8%
5	Colombia	24	2.1%
6	Canada	20	1.7%
7	Singapore	17	1.5%
8	Korea, Republic of	17	1.5%
9	Portugal	17	1.5%
10	Netherlands	15	1.3%
11	France	11	1%
12	United Arab Emirates	9	0.8%
13	Cyprus	8	0.7%
14	Australia	6	0.5%
15	Brazil	5	0.4%
16	United Kingdom	5	0.4%
17	Malaysia	4	0.3%
18	Argentina	4	0.3%
19	Ireland	4	0.3%
20	Italy	3	0.3%
21	Hong Kong	3	0.3%
22	India	3	0.3%
23	Denmark	3	0.3%
24	Russia	3	0.3%
25	New Zealand	2	0.2%
26	Sweden	2	0.2%
27	Indonesia	2	0.2%
28	Kazakhstan	2	0.2%
29	Iran, Islamic Republic of	1	0.1%
30	Switzerland	1	0.1%
31	Ukraine	1	0.1%
32	Mongolia	1	0.1%
33	Romania	1	0.1%