I DO NOT SELL THIS EQUIPMENT.
| QST | SAMPLES | MIN | AVG | MAX |
| 1924 | 0 | X | X | |
| 1925 | 0 | X | X | |
| 1926 | 0 | X | X | |
| 1927 | 1 | X | $41.00 | X |
| 1928 | 1 | X | $40.00 | X |
| 1929 | 0 | X | X | |
| 1930 | 2 | $20.50 | $29.25 | $38.00 |
| 1931 | 2 | $23.00 | $25.50 | $28.00 |
| 1932 | 3 | $21.50 | $24.83 | $28.00 |
| 1933 | 1 | X | $24.99 | X |
| 1934 | 5 | $9.00 | $15.03 | $26.00 |
| 1935 | 3 | $10.50 | $16.67 | $26.00 |
| 1936 | 2 | $7.50 | $13.05 | $18.59 |
| 1937 | 3 | $7.00 | $10.50 | $15.50 |
| 1938 | 0 | X | X | |
| 1939 | 2 | $9.50 | $11.25 | $13.00 |
| 1940 | 2 | $5.50 | $12.75 | $20.00 |
| 1941 | 2 | $8.00 | $13.00 | $18.00 |
| 1942 | 1 | X | $10.00 | X |
| 1943 | 2 | $16.55 | $17.28 | $18.00 |
| 1944 | 1 | X | $30.00 | X |
| 1945 | 1 | X | $10.00 | X |
| 1946 | 0 | X | X | |
| 1947 | 0 | X | X | |
| 1948 | 0 | X | X | |
| 1949 | 1 | X | $7.00 | X |
| 1950 | 0 | X | X | |
| 1951 | 1 | X | $13.25 | X |
| 1952 | 2 | $5.00 | $6.00 | $7.00 |
| 1953 | 0 | X | X | |
| 1954 | 0 | X | X | |
| 1955 | 0 | X | X | |
| 1956 | 0 | X | X | |
| 1957 | 0 | X | X | |
| 1958 | 1 | X | $3.00 | X |
| 1959 | 0 | X | X | |
| 1960 | 0 | X | X | |
| 1961 | 2 | $3.50 | $4.25 | $5.00 |
| 1962 | 0 | X | X | |
| 1963 | 0 | X | X | |
| 1964 | 1 | X | $12.50 | X |
| 1965 | 0 | X | X | |
| 1966 | 1 | X | $9.35 | X |
| 1967 | 0 | X | X | |
| 1968 | 0 | X | X | |
| 1969 | 1 | X | $8.25 | X |
| 1970 | 1 | X | $1.00 | X |
| 1971 | 0 | X | X | |
| 1972 | 0 | X | X | |
| 1973 | 1 | X | $1.75 | X |
| 1974 | 0 | X | X | |
| 1975 | 0 | X | X | |
| 1976 | 0 | X | X | |
| 1977 | 0 | X | X | |
| 1978 | 0 | X | X | |
| 1979 | 0 | X | X | |
| 1980 | 1 | X | $1.00 | X |
| 1981 | 0 | X | X | |
| 1982 | 0 | X | X | |
| 1983 | 0 | X | X | |
| 1984 | 0 | X | X | |
| 1985 | 1 | X | $1.00 | X |
| 1986 | 0 | X | X | |
| 1987 | 0 | X | X | |
| 1988 | 0 | X | X | |
| 1989 | 0 | X | X |