Rank	Countries/Territories	Count	Percent
1	United States	565	42.5%
2	China	367	27.6%
3	Germany	94	7.1%
4	Canada	48	3.6%
5	Japan	46	3.5%
6		25	1.9%
7	Netherlands	24	1.8%
8	Taiwan	21	1.6%
9	United Kingdom	17	1.3%
10	India	12	0.9%
11	France	11	0.8%
12	Spain	11	0.8%
13	Norway	11	0.8%
14	Australia	9	0.7%
15	Ireland	8	0.6%
16	Korea, Republic of	7	0.5%
17	Pakistan	5	0.4%
18	Ecuador	5	0.4%
19	Cyprus	5	0.4%
20	Italy	4	0.3%
21	Iran, Islamic Republic of	4	0.3%
22	Switzerland	3	0.2%
23	Saudi Arabia	3	0.2%
24	Singapore	3	0.2%
25	Hong Kong	3	0.2%
26	Indonesia	2	0.2%
27	Brazil	2	0.2%
28	South Africa	2	0.2%
29	Portugal	2	0.2%
30	Turkey	2	0.2%
31	Thailand	1	0.1%
32	Syrian Arab Republic	1	0.1%
33	Sri Lanka	1	0.1%
34	Malaysia	1	0.1%
35	Czech Republic	1	0.1%
36	Belgium	1	0.1%
37	Argentina	1	0.1%