Year Urvina.Bay 1950 -2.2943599 1951 -0.38527301 1952 -0.29436401 1953 0.79654503 1954 -0.398909 1955 -0.397091 1956 -0.395273 1957 -0.393455 1958 -0.39163601 1959 -0.389364 1960 -0.38754499 1961 -0.38572699 1962 -0.38390899 1963 -0.38209099 1964 -0.38027301 1965 0.61472702