1956

2,740,365

2,756,698

2,761,399

 

1957

2,780,183

2,786,429

2,797,654

2,808,791

2,815,724

 

1958

2,836,132

2,859,325

184,076

 

1959

2,889,949

D186,853

 

1960

2,926,620