Month/Year

WP

SN

TS

Dec 1930

6389

Jan 1940

5357

118

Jul 1950

4767

85

0

Jan 1959

5450

218

40

Jan 1965

5439

230

90

Oct 1968

5834

222

90

Jul 1970

5799

221

88

Oct 1975

5981

197

23

Apr 1982

6241

5

3

Oct 1983

5347

0

0

Oct 1988

2910

0

0

Jul 2002

1262

0

0