1920s U.S. Equities (S&P 500) ~17%
1930s Long-Term U.S. Government Bonds (10-yr) ~7%
1940s U.S. Equities ~12%
1950s U.S. Equities ~14%
1960s Long-Term U.S. Government Bonds ~6%
1970s Gold ~32%
1980s U.S. Equities ~17%
1990s U.S. Equities ~18%
2000s Gold ~14%
2010s Bitcoin (Crypto) ~230%
2020s Bitcoin (Crypto) ~140%