Array ( [0] => 1963 [1] => 1964 [2] => 1965 [3] => 1966 [4] => 1967 [5] => 1968 [6] => 1969 [7] => 1970 [8] => 1971 [9] => 1972 [10] => 1973 [11] => 1974 [12] => 1975 [13] => 1976 [14] => 1977 [15] => 1978 [16] => 15525 [17] => 15526 ) ;