| Year | Earnings |
|---|---|
| 1951 | $1,100 |
| 1952 | 950 |
| 1953 | 0 |
| 1954 | 1,000 |
| 1955 | 1,100 |
| 1956 | 1,200 |
| 1957 | 0 |
| 1958 | 1,300 |
| 1959 | 0 |
| 1960 | 1,300 |
| 1961 | 0 |
| 1962 | 1,400 |
| 1963 | 1,300 |
| 1964 | 0 |
| 1965 | 500 |
| 1966 | 700 |
| 1967 | 650 |
| 1968 | 900 |
| 1969 | 1,950 |
| 1970 | 2,100 |
| 1971 | 2,000 |
| 1972 | 1,500 |
| 1973 | 2,700 |
| 1974 | 2,100 |
| 1975 | 2,600 |
| 1976 | 3,850 |
| 1977 | 4,150 |
| 1978 | 0 |