Year	Belgium	France	USA	Ireland	Netherlands
1960	58	76.3	20	85	71
1961	60	85	22	85	71
1962	62.1	85	22	85	71
1963	66	85	22	85	71
1964	66	85	22	85	71
1965	68.5	85	25	85	71
1966	70	88	38	85	71
1967	70	88	38	85	71
1968	72	88	38	85	78
1969	99	88	38	85	83
1970	97.8	95.6	40	85	86
1971	98.5	96	40	85	90
1972	99.2	96.3	40	85	98
1973	99.9	96.7	40	85	98
1974	99.1	97	40	85	98
1975	99	97.3	40	85	75
1976	99	97.7	40	85	75
1977	99	98	40	85	75
1978	99	98.4	40	85	75
1979	99	98.7	40	85	75
1980	99	99.1	42	100	74.6
1981	99	99.1	42	100	74.5
1982	99.7	99.2	42	100	73.8
1983	99.1	99.2	42	100	73.5
1984	98.6	99.2	42.6	100	73.3
1985	98	99.2	43	100	73.4
1986	97.9	99.3	43	100	69.2
1987	97.7	99.3	23.3	100	69.3
1988	97.6	99.3	23.3	100	69.1
1989	97.3	99.3	23.3	100	74
1990	97.3	99.4	24.5	100	73.9
1991	97.2	99.4	25.4	100	73.7
1992	99.2	99.4	25.8	100	77.8
1993	98.5	99.4	26.4	100	78.3
1994	98.3	99.4	26.8	100	78.7
1995	99	99.4	26.4	100	79.2
1996	99	99.4	25.9	100	74.2
1997	99	99.4	24.8	100	74.6
1998	99	99.4	24.3	100	74.5
1999	99	99.3	24.3	100	74.2
2000	99	99.9	24.7	100	75.6