Rank	Countries/Territories	Count	Percent
1	China	584	38.6%
2	United States	549	36.3%
3	Germany	85	5.6%
4	Netherlands	48	3.2%
5		42	2.8%
6	Japan	33	2.2%
7	India	32	2.1%
8	Brazil	25	1.7%
9	France	19	1.3%
10	Russia	14	0.9%
11	Taiwan	10	0.7%
12	Ireland	10	0.7%
13	Canada	8	0.5%
14	Korea, Republic of	8	0.5%
15	Singapore	5	0.3%
16	Hong Kong	5	0.3%
17	Argentina	4	0.3%
18	Australia	4	0.3%
19	Iran, Islamic Republic of	3	0.2%
20	Norway	3	0.2%
21	Turkey	3	0.2%
22	Viet Nam	3	0.2%
23	Ukraine	2	0.1%
24	United Kingdom	2	0.1%
25	Italy	2	0.1%
26	Cyprus	2	0.1%
27	Denmark	2	0.1%
28	Finland	1	0.1%
29	Austria	1	0.1%
30	Colombia	1	0.1%
31	Portugal	1	0.1%
32	Switzerland	1	0.1%
33	Mexico	1	0.1%
34	Kazakhstan	1	0.1%