Since 1928 (93 years), there have only been 5-times where markets returned 10% gains for 3 or more years in a row:

World War II 

(4 years): 

1942 (+19%), 1943 (+25%), 1944 (+19%) and 1945 (+36%)

Korean War 

(4 years): 

1949 (+18%), 1950 (+31%), 1951 (+24%) and 1952 (18%)

Start of Vietnam War 

(3 years): 

1963 (+23%), 1964 (+16%), and 1965 (+12%)

Late 1990s Bull Market 

 (5 years): 

1995 (37%), 1996 (+23%), 1997 (+33%), 1998 (+28%) and 1999 (+21%)

Post-Financial/Greek Debt Crisis 

(3 years): 

2012 (+16%), 2013 (+32%) and 2014 (14%)

 

 

Source:

https://datatrekresearch.com/2021-2030-shiller-pe-miami-nye/