2506,2504,2503,2500,2500,2507,2507,2509,2512,2518,2517,2521,2524,2526,2519,2516,2513,2510;1995,1993,1991,1988,1985,1981,1979,1975,1974,1974,1977,1979,1982,1984,1988,1993,1993,1995