Year |
Units |
1964 |
3,647 |
1965 |
2,845 |
1957 |
2,251 |
1955 |
1,725 |
1961 |
1,617 |
1960 |
1,212 |
1956 |
1,102 |
1958 |
810 |
1959 |
690 |
1962 |
558 |
1963 |
400 |