Harry Browne proposed the concept of permanent portfolio in his Fail-Safe Investing book in 1999. In the book, he showed the performance table of his ‘permanent portfolio’. Here is the updated table: As of 12/31/2011: 1970 4.10% 1980 22.10% 1990 -0.70% 2000 2.70% 2010 11.92% 1971 13.40% 1981 -6.20% 1991 11.50% 2001 -1.00% 2011 8.16% [...]