Table 17.1 QTR Y X 1953.1 2072.0 1660.0 1953.2 2077.0 1926.0 1953.3 2078.0 2181.0 1953.4 2043.0 1897.0 1954.1 2062.0 1695.0 1954.2 2067.0 1705.0 1954.3 1964.0 1731.0 1954.4 1981.0 2151.0 1955.1 1914.0 2556.0 1955.2 1991.0 3152.0 1955.3 2129.0 3763.0 1955.4 2309.0 3903.0 1956.1 2614.0 3912.0 1956.2 2896.0 3571.0 1956.3 3058.0 3199.0 1956.4 3309.0 3262.0 1957.1 3446.0 3476.0 1957.2 3466.0 2993.0 1957.3 3435.0 2262.0 1957.4 3183.0 2011.0 1958.1 2697.0 1511.0 1958.2 2338.0 1631.0 1958.3 2140.0 1990.0 1958.4 2012.0 1993.0 1959.1 2071.0 2520.0 1959.2 2192.0 2804.0 1959.3 2240.0 2919.0 1959.4 2421.0 3024.0 1960.1 2639.0 2725.0 1960.2 2733.0 2321.0 1960.3 2721.0 2131.0 1960.4 2640.0 2552.0 1961.1 2513.0 2234.0 1961.2 2448.0 2282.0 1961.3 2429.0 2533.0 1961.4 2516.0 2517.0 1962.1 2534.0 2772.0 1962.2 2494.0 2380.0 1962.3 2596.0 2568.0 1962.4 2572.0 2944.0 1963.1 2601.0 2629.0 1963.2 2648.0 3133.0 1963.3 2840.0 3449.0 1963.4 2937.0 3764.0 1964.1 3136.0 3983.0 1964.2 3299.0 4381.0 1964.3 3514.0 4786.0 1964.4 3815.0 4094.0 1965.1 4093.0 4870.0 1965.2 4262.0 5344.0 1965.3 4531.0 5433.0 1965.4 4825.0 5911.0 1966.1 5160.0 6109.0 1966.2 5319.0 6542.0 1966.3 5574.0 5785.0 1966.4 5749.0 5707.0 1967.1 5715.0 5412.0 1967.2 5637.0 5465.0 1967.3 5383.0 5550.0 1967.4 5467.0 5465.0