1920

September

November

 

1921

January

February

March

April

May

June

July

August

September

October

November

 

1922

March

August

October

 

1926

December

 

1927

January

February

March

April

May

June

July

August

September

November

December

 

1928

January

February

April

 

1936

January

July

August

September

October

November

December

 

1937

January

February

March

April

May

June

 

1938

October

 

1939

March

April

May

June

July

October

 

1940

January

February

March

April

May

June

July

August

November

December

 

1941

January

February

March

April

June

November

December

 

1942

January

 

1944

January

June

 

1946

March

April

 

1948

March

May

July

 

1950

March