1961.9 7989.8 287.3
1966.5 7995.5 286.6
1956.3 7998.9 286.2
1985.5 8009.9 284.7
1967.2 8007.5 285.1
1992.4 8019.3 283.6
1981.3 8018.9 283.7
1953.1 8019.1 283.8
